Home / 28,568.35-39,426.51-16,470.80

Finding the Fourth Proportional to 28,568.35, 39,426.51 and 16,470.80

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Solution

The fourth proportional to 28,568.35, 39,426.51 and 16,470.80 is: 22,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,568.35 : 39,426.51 = 16,470.80 : x
  2. Step 2: Convert to fraction form
    28,568.35/39,426.51 = 16,470.80/x
  3. Step 3: Cross multiply
    28,568.35x = 39,426.51 × 16,470.80
  4. Step 4: Simplify right side
    28,568.35x = 649,386,160.91
  5. Step 5: Solve for x
    x = 649,386,160.91/28,568.35
  6. Step 6: Final answer
    x = 22,730.96

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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.