Home / 22,888.56-31,587.62-12,817.13

Finding the Fourth Proportional to 22,888.56, 31,587.62 and 12,817.13

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Solution

The fourth proportional to 22,888.56, 31,587.62 and 12,817.13 is: 17,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,888.56 : 31,587.62 = 12,817.13 : x
  2. Step 2: Convert to fraction form
    22,888.56/31,587.62 = 12,817.13/x
  3. Step 3: Cross multiply
    22,888.56x = 31,587.62 × 12,817.13
  4. Step 4: Simplify right side
    22,888.56x = 404,862,409.91
  5. Step 5: Solve for x
    x = 404,862,409.91/22,888.56
  6. Step 6: Final answer
    x = 17,688.42

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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.