Home / 29,135.92-40,359.85-28,545.43

Finding the Fourth Proportional to 29,135.92, 40,359.85 and 28,545.43

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Solution

The fourth proportional to 29,135.92, 40,359.85 and 28,545.43 is: 39,541.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.92 : 40,359.85 = 28,545.43 : x
  2. Step 2: Convert to fraction form
    29,135.92/40,359.85 = 28,545.43/x
  3. Step 3: Cross multiply
    29,135.92x = 40,359.85 × 28,545.43
  4. Step 4: Simplify right side
    29,135.92x = 1,152,089,272.99
  5. Step 5: Solve for x
    x = 1,152,089,272.99/29,135.92
  6. Step 6: Final answer
    x = 39,541.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.