Home / 22,427.26-30,953.26-13,001.28

Finding the Fourth Proportional to 22,427.26, 30,953.26 and 13,001.28

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Solution

The fourth proportional to 22,427.26, 30,953.26 and 13,001.28 is: 17,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.26 : 30,953.26 = 13,001.28 : x
  2. Step 2: Convert to fraction form
    22,427.26/30,953.26 = 13,001.28/x
  3. Step 3: Cross multiply
    22,427.26x = 30,953.26 × 13,001.28
  4. Step 4: Simplify right side
    22,427.26x = 402,432,000.17
  5. Step 5: Solve for x
    x = 402,432,000.17/22,427.26
  6. Step 6: Final answer
    x = 17,943.88

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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.