Home / 28,383.96-42,547.14-13,571.16

Finding the Fourth Proportional to 28,383.96, 42,547.14 and 13,571.16

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Solution

The fourth proportional to 28,383.96, 42,547.14 and 13,571.16 is: 20,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,383.96 : 42,547.14 = 13,571.16 : x
  2. Step 2: Convert to fraction form
    28,383.96/42,547.14 = 13,571.16/x
  3. Step 3: Cross multiply
    28,383.96x = 42,547.14 × 13,571.16
  4. Step 4: Simplify right side
    28,383.96x = 577,414,044.48
  5. Step 5: Solve for x
    x = 577,414,044.48/28,383.96
  6. Step 6: Final answer
    x = 20,342.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.