Home / 25,814.80-38,712.63-15,287.13

Finding the Fourth Proportional to 25,814.80, 38,712.63 and 15,287.13

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Solution

The fourth proportional to 25,814.80, 38,712.63 and 15,287.13 is: 22,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,814.80 : 38,712.63 = 15,287.13 : x
  2. Step 2: Convert to fraction form
    25,814.80/38,712.63 = 15,287.13/x
  3. Step 3: Cross multiply
    25,814.80x = 38,712.63 × 15,287.13
  4. Step 4: Simplify right side
    25,814.80x = 591,805,064.78
  5. Step 5: Solve for x
    x = 591,805,064.78/25,814.80
  6. Step 6: Final answer
    x = 22,925.03

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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.