Home / 39,008.28-58,521.08-15,318.11

Finding the Fourth Proportional to 39,008.28, 58,521.08 and 15,318.11

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Solution

The fourth proportional to 39,008.28, 58,521.08 and 15,318.11 is: 22,980.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,008.28 : 58,521.08 = 15,318.11 : x
  2. Step 2: Convert to fraction form
    39,008.28/58,521.08 = 15,318.11/x
  3. Step 3: Cross multiply
    39,008.28x = 58,521.08 × 15,318.11
  4. Step 4: Simplify right side
    39,008.28x = 896,432,525.36
  5. Step 5: Solve for x
    x = 896,432,525.36/39,008.28
  6. Step 6: Final answer
    x = 22,980.57

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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.