Home / 25,713.56-38,543.34-12,547.82

Finding the Fourth Proportional to 25,713.56, 38,543.34 and 12,547.82

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Solution

The fourth proportional to 25,713.56, 38,543.34 and 12,547.82 is: 18,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,713.56 : 38,543.34 = 12,547.82 : x
  2. Step 2: Convert to fraction form
    25,713.56/38,543.34 = 12,547.82/x
  3. Step 3: Cross multiply
    25,713.56x = 38,543.34 × 12,547.82
  4. Step 4: Simplify right side
    25,713.56x = 483,634,892.52
  5. Step 5: Solve for x
    x = 483,634,892.52/25,713.56
  6. Step 6: Final answer
    x = 18,808.55

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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.