Home / 21,700.28-32,548.74-8,552.76

Finding the Fourth Proportional to 21,700.28, 32,548.74 and 8,552.76

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Solution

The fourth proportional to 21,700.28, 32,548.74 and 8,552.76 is: 12,828.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,700.28 : 32,548.74 = 8,552.76 : x
  2. Step 2: Convert to fraction form
    21,700.28/32,548.74 = 8,552.76/x
  3. Step 3: Cross multiply
    21,700.28x = 32,548.74 × 8,552.76
  4. Step 4: Simplify right side
    21,700.28x = 278,381,561.52
  5. Step 5: Solve for x
    x = 278,381,561.52/21,700.28
  6. Step 6: Final answer
    x = 12,828.48

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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.