Home / 21,565.28-32,332.36-6,766.24

Finding the Fourth Proportional to 21,565.28, 32,332.36 and 6,766.24

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Solution

The fourth proportional to 21,565.28, 32,332.36 and 6,766.24 is: 10,144.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,565.28 : 32,332.36 = 6,766.24 : x
  2. Step 2: Convert to fraction form
    21,565.28/32,332.36 = 6,766.24/x
  3. Step 3: Cross multiply
    21,565.28x = 32,332.36 × 6,766.24
  4. Step 4: Simplify right side
    21,565.28x = 218,768,507.53
  5. Step 5: Solve for x
    x = 218,768,507.53/21,565.28
  6. Step 6: Final answer
    x = 10,144.48

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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.