Home / 22,811.84-34,158.04-18,345.76

Finding the Fourth Proportional to 22,811.84, 34,158.04 and 18,345.76

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Solution

The fourth proportional to 22,811.84, 34,158.04 and 18,345.76 is: 27,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.84 : 34,158.04 = 18,345.76 : x
  2. Step 2: Convert to fraction form
    22,811.84/34,158.04 = 18,345.76/x
  3. Step 3: Cross multiply
    22,811.84x = 34,158.04 × 18,345.76
  4. Step 4: Simplify right side
    22,811.84x = 626,655,203.91
  5. Step 5: Solve for x
    x = 626,655,203.91/22,811.84
  6. Step 6: Final answer
    x = 27,470.61

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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.