Home / 21,534.38-32,271.50-10,438.12

Finding the Fourth Proportional to 21,534.38, 32,271.50 and 10,438.12

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Solution

The fourth proportional to 21,534.38, 32,271.50 and 10,438.12 is: 15,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,534.38 : 32,271.50 = 10,438.12 : x
  2. Step 2: Convert to fraction form
    21,534.38/32,271.50 = 10,438.12/x
  3. Step 3: Cross multiply
    21,534.38x = 32,271.50 × 10,438.12
  4. Step 4: Simplify right side
    21,534.38x = 336,853,789.58
  5. Step 5: Solve for x
    x = 336,853,789.58/21,534.38
  6. Step 6: Final answer
    x = 15,642.60

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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.