Home / 22,631.81-31,257.81-14,905.16

Finding the Fourth Proportional to 22,631.81, 31,257.81 and 14,905.16

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Solution

The fourth proportional to 22,631.81, 31,257.81 and 14,905.16 is: 20,586.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,631.81 : 31,257.81 = 14,905.16 : x
  2. Step 2: Convert to fraction form
    22,631.81/31,257.81 = 14,905.16/x
  3. Step 3: Cross multiply
    22,631.81x = 31,257.81 × 14,905.16
  4. Step 4: Simplify right side
    22,631.81x = 465,902,618.42
  5. Step 5: Solve for x
    x = 465,902,618.42/22,631.81
  6. Step 6: Final answer
    x = 20,586.19

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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.