Home / 28,153.62-42,188.49-25,664.13

Finding the Fourth Proportional to 28,153.62, 42,188.49 and 25,664.13

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Solution

The fourth proportional to 28,153.62, 42,188.49 and 25,664.13 is: 38,457.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,153.62 : 42,188.49 = 25,664.13 : x
  2. Step 2: Convert to fraction form
    28,153.62/42,188.49 = 25,664.13/x
  3. Step 3: Cross multiply
    28,153.62x = 42,188.49 × 25,664.13
  4. Step 4: Simplify right side
    28,153.62x = 1,082,730,891.86
  5. Step 5: Solve for x
    x = 1,082,730,891.86/28,153.62
  6. Step 6: Final answer
    x = 38,457.96

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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.