Home / 38,426.67-53,027.13-28,351.47

Finding the Fourth Proportional to 38,426.67, 53,027.13 and 28,351.47

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Solution

The fourth proportional to 38,426.67, 53,027.13 and 28,351.47 is: 39,123.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,426.67 : 53,027.13 = 28,351.47 : x
  2. Step 2: Convert to fraction form
    38,426.67/53,027.13 = 28,351.47/x
  3. Step 3: Cross multiply
    38,426.67x = 53,027.13 × 28,351.47
  4. Step 4: Simplify right side
    38,426.67x = 1,503,397,085.38
  5. Step 5: Solve for x
    x = 1,503,397,085.38/38,426.67
  6. Step 6: Final answer
    x = 39,123.79

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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.