Home / 21,935.61-32,903.42-10,257.03

Finding the Fourth Proportional to 21,935.61, 32,903.42 and 10,257.03

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Solution

The fourth proportional to 21,935.61, 32,903.42 and 10,257.03 is: 15,385.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.61 : 32,903.42 = 10,257.03 : x
  2. Step 2: Convert to fraction form
    21,935.61/32,903.42 = 10,257.03/x
  3. Step 3: Cross multiply
    21,935.61x = 32,903.42 × 10,257.03
  4. Step 4: Simplify right side
    21,935.61x = 337,491,314.76
  5. Step 5: Solve for x
    x = 337,491,314.76/21,935.61
  6. Step 6: Final answer
    x = 15,385.55

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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.