Home / 25,065.42-34,588.78-13,732.66

Finding the Fourth Proportional to 25,065.42, 34,588.78 and 13,732.66

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Solution

The fourth proportional to 25,065.42, 34,588.78 and 13,732.66 is: 18,950.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,065.42 : 34,588.78 = 13,732.66 : x
  2. Step 2: Convert to fraction form
    25,065.42/34,588.78 = 13,732.66/x
  3. Step 3: Cross multiply
    25,065.42x = 34,588.78 × 13,732.66
  4. Step 4: Simplify right side
    25,065.42x = 474,996,158.30
  5. Step 5: Solve for x
    x = 474,996,158.30/25,065.42
  6. Step 6: Final answer
    x = 18,950.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.