Home / 28,513.96-39,349.19-15,593.24

Finding the Fourth Proportional to 28,513.96, 39,349.19 and 15,593.24

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Solution

The fourth proportional to 28,513.96, 39,349.19 and 15,593.24 is: 21,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,513.96 : 39,349.19 = 15,593.24 : x
  2. Step 2: Convert to fraction form
    28,513.96/39,349.19 = 15,593.24/x
  3. Step 3: Cross multiply
    28,513.96x = 39,349.19 × 15,593.24
  4. Step 4: Simplify right side
    28,513.96x = 613,581,363.48
  5. Step 5: Solve for x
    x = 613,581,363.48/28,513.96
  6. Step 6: Final answer
    x = 21,518.63

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Half scale
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Double scale
Find fourth proportional to 28,514.96, 39,350.57 and 15,594.24
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.