Home / 22,476.53-31,031.03-19,985.69

Finding the Fourth Proportional to 22,476.53, 31,031.03 and 19,985.69

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Solution

The fourth proportional to 22,476.53, 31,031.03 and 19,985.69 is: 27,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,476.53 : 31,031.03 = 19,985.69 : x
  2. Step 2: Convert to fraction form
    22,476.53/31,031.03 = 19,985.69/x
  3. Step 3: Cross multiply
    22,476.53x = 31,031.03 × 19,985.69
  4. Step 4: Simplify right side
    22,476.53x = 620,176,545.96
  5. Step 5: Solve for x
    x = 620,176,545.96/22,476.53
  6. Step 6: Final answer
    x = 27,592.18

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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.