Home / 28,572.15-39,426.20-16,472.50

Finding the Fourth Proportional to 28,572.15, 39,426.20 and 16,472.50

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Solution

The fourth proportional to 28,572.15, 39,426.20 and 16,472.50 is: 22,730.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572.15 : 39,426.20 = 16,472.50 : x
  2. Step 2: Convert to fraction form
    28,572.15/39,426.20 = 16,472.50/x
  3. Step 3: Cross multiply
    28,572.15x = 39,426.20 × 16,472.50
  4. Step 4: Simplify right side
    28,572.15x = 649,448,120.68
  5. Step 5: Solve for x
    x = 649,448,120.68/28,572.15
  6. Step 6: Final answer
    x = 22,730.11

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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.