Home / 22,926.36-31,557.78-20,087.04

Finding the Fourth Proportional to 22,926.36, 31,557.78 and 20,087.04

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Solution

The fourth proportional to 22,926.36, 31,557.78 and 20,087.04 is: 27,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,926.36 : 31,557.78 = 20,087.04 : x
  2. Step 2: Convert to fraction form
    22,926.36/31,557.78 = 20,087.04/x
  3. Step 3: Cross multiply
    22,926.36x = 31,557.78 × 20,087.04
  4. Step 4: Simplify right side
    22,926.36x = 633,902,389.17
  5. Step 5: Solve for x
    x = 633,902,389.17/22,926.36
  6. Step 6: Final answer
    x = 27,649.50

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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.