Home / 22,902.21-31,587.03-15,346.08

Finding the Fourth Proportional to 22,902.21, 31,587.03 and 15,346.08

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Solution

The fourth proportional to 22,902.21, 31,587.03 and 15,346.08 is: 21,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,902.21 : 31,587.03 = 15,346.08 : x
  2. Step 2: Convert to fraction form
    22,902.21/31,587.03 = 15,346.08/x
  3. Step 3: Cross multiply
    22,902.21x = 31,587.03 × 15,346.08
  4. Step 4: Simplify right side
    22,902.21x = 484,737,089.34
  5. Step 5: Solve for x
    x = 484,737,089.34/22,902.21
  6. Step 6: Final answer
    x = 21,165.52

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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.