Home / 38,728.18-53,453.82-25,275.70

Finding the Fourth Proportional to 38,728.18, 53,453.82 and 25,275.70

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Solution

The fourth proportional to 38,728.18, 53,453.82 and 25,275.70 is: 34,886.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.18 : 53,453.82 = 25,275.70 : x
  2. Step 2: Convert to fraction form
    38,728.18/53,453.82 = 25,275.70/x
  3. Step 3: Cross multiply
    38,728.18x = 53,453.82 × 25,275.70
  4. Step 4: Simplify right side
    38,728.18x = 1,351,082,718.17
  5. Step 5: Solve for x
    x = 1,351,082,718.17/38,728.18
  6. Step 6: Final answer
    x = 34,886.30

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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.