Home / 22,681.04-34,031.28-7,881.87

Finding the Fourth Proportional to 22,681.04, 34,031.28 and 7,881.87

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Solution

The fourth proportional to 22,681.04, 34,031.28 and 7,881.87 is: 11,826.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,681.04 : 34,031.28 = 7,881.87 : x
  2. Step 2: Convert to fraction form
    22,681.04/34,031.28 = 7,881.87/x
  3. Step 3: Cross multiply
    22,681.04x = 34,031.28 × 7,881.87
  4. Step 4: Simplify right side
    22,681.04x = 268,230,124.89
  5. Step 5: Solve for x
    x = 268,230,124.89/22,681.04
  6. Step 6: Final answer
    x = 11,826.19

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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.