Home / 39,585.28-59,381.04-13,289.92

Finding the Fourth Proportional to 39,585.28, 59,381.04 and 13,289.92

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Solution

The fourth proportional to 39,585.28, 59,381.04 and 13,289.92 is: 19,935.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,585.28 : 59,381.04 = 13,289.92 : x
  2. Step 2: Convert to fraction form
    39,585.28/59,381.04 = 13,289.92/x
  3. Step 3: Cross multiply
    39,585.28x = 59,381.04 × 13,289.92
  4. Step 4: Simplify right side
    39,585.28x = 789,169,271.12
  5. Step 5: Solve for x
    x = 789,169,271.12/39,585.28
  6. Step 6: Final answer
    x = 19,935.93

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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.