Home / 25,190.12-37,787.65-9,391.47

Finding the Fourth Proportional to 25,190.12, 37,787.65 and 9,391.47

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Solution

The fourth proportional to 25,190.12, 37,787.65 and 9,391.47 is: 14,088.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.12 : 37,787.65 = 9,391.47 : x
  2. Step 2: Convert to fraction form
    25,190.12/37,787.65 = 9,391.47/x
  3. Step 3: Cross multiply
    25,190.12x = 37,787.65 × 9,391.47
  4. Step 4: Simplify right side
    25,190.12x = 354,881,581.35
  5. Step 5: Solve for x
    x = 354,881,581.35/25,190.12
  6. Step 6: Final answer
    x = 14,088.13

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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.