Home / 25,001.07-34,505.10-14,390.61

Finding the Fourth Proportional to 25,001.07, 34,505.10 and 14,390.61

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Solution

The fourth proportional to 25,001.07, 34,505.10 and 14,390.61 is: 19,861.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,001.07 : 34,505.10 = 14,390.61 : x
  2. Step 2: Convert to fraction form
    25,001.07/34,505.10 = 14,390.61/x
  3. Step 3: Cross multiply
    25,001.07x = 34,505.10 × 14,390.61
  4. Step 4: Simplify right side
    25,001.07x = 496,549,437.11
  5. Step 5: Solve for x
    x = 496,549,437.11/25,001.07
  6. Step 6: Final answer
    x = 19,861.13

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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.