Home / 28,614.60-42,800.40-25,674.30

Finding the Fourth Proportional to 28,614.60, 42,800.40 and 25,674.30

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Solution

The fourth proportional to 28,614.60, 42,800.40 and 25,674.30 is: 38,402.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.60 : 42,800.40 = 25,674.30 : x
  2. Step 2: Convert to fraction form
    28,614.60/42,800.40 = 25,674.30/x
  3. Step 3: Cross multiply
    28,614.60x = 42,800.40 × 25,674.30
  4. Step 4: Simplify right side
    28,614.60x = 1,098,870,309.72
  5. Step 5: Solve for x
    x = 1,098,870,309.72/28,614.60
  6. Step 6: Final answer
    x = 38,402.43

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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.