Home / 38,927.40-53,708.70-21,925.70

Finding the Fourth Proportional to 38,927.40, 53,708.70 and 21,925.70

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Solution

The fourth proportional to 38,927.40, 53,708.70 and 21,925.70 is: 30,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.40 : 53,708.70 = 21,925.70 : x
  2. Step 2: Convert to fraction form
    38,927.40/53,708.70 = 21,925.70/x
  3. Step 3: Cross multiply
    38,927.40x = 53,708.70 × 21,925.70
  4. Step 4: Simplify right side
    38,927.40x = 1,177,600,575.05
  5. Step 5: Solve for x
    x = 1,177,600,575.05/38,927.40
  6. Step 6: Final answer
    x = 30,251.20

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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.