Home / 22,502.40-31,054.08-14,123.52

Finding the Fourth Proportional to 22,502.40, 31,054.08 and 14,123.52

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Solution

The fourth proportional to 22,502.40, 31,054.08 and 14,123.52 is: 19,490.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,502.40 : 31,054.08 = 14,123.52 : x
  2. Step 2: Convert to fraction form
    22,502.40/31,054.08 = 14,123.52/x
  3. Step 3: Cross multiply
    22,502.40x = 31,054.08 × 14,123.52
  4. Step 4: Simplify right side
    22,502.40x = 438,592,919.96
  5. Step 5: Solve for x
    x = 438,592,919.96/22,502.40
  6. Step 6: Final answer
    x = 19,490.94

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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.