Home / 28,607.28-39,478.02-16,032.12

Finding the Fourth Proportional to 28,607.28, 39,478.02 and 16,032.12

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Solution

The fourth proportional to 28,607.28, 39,478.02 and 16,032.12 is: 22,124.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,607.28 : 39,478.02 = 16,032.12 : x
  2. Step 2: Convert to fraction form
    28,607.28/39,478.02 = 16,032.12/x
  3. Step 3: Cross multiply
    28,607.28x = 39,478.02 × 16,032.12
  4. Step 4: Simplify right side
    28,607.28x = 632,916,354.00
  5. Step 5: Solve for x
    x = 632,916,354.00/28,607.28
  6. Step 6: Final answer
    x = 22,124.31

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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.