Home / 28,887.33-39,867.47-20,827.62

Finding the Fourth Proportional to 28,887.33, 39,867.47 and 20,827.62

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Solution

The fourth proportional to 28,887.33, 39,867.47 and 20,827.62 is: 28,744.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.33 : 39,867.47 = 20,827.62 : x
  2. Step 2: Convert to fraction form
    28,887.33/39,867.47 = 20,827.62/x
  3. Step 3: Cross multiply
    28,887.33x = 39,867.47 × 20,827.62
  4. Step 4: Simplify right side
    28,887.33x = 830,344,411.38
  5. Step 5: Solve for x
    x = 830,344,411.38/28,887.33
  6. Step 6: Final answer
    x = 28,744.24

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Double scale
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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.