Home / 21,575.96-32,312.88-13,761.08

Finding the Fourth Proportional to 21,575.96, 32,312.88 and 13,761.08

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Solution

The fourth proportional to 21,575.96, 32,312.88 and 13,761.08 is: 20,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,575.96 : 32,312.88 = 13,761.08 : x
  2. Step 2: Convert to fraction form
    21,575.96/32,312.88 = 13,761.08/x
  3. Step 3: Cross multiply
    21,575.96x = 32,312.88 × 13,761.08
  4. Step 4: Simplify right side
    21,575.96x = 444,660,126.71
  5. Step 5: Solve for x
    x = 444,660,126.71/21,575.96
  6. Step 6: Final answer
    x = 20,609.05

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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.