Home / 38,538.72-53,119.80-25,787.34

Finding the Fourth Proportional to 38,538.72, 53,119.80 and 25,787.34

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Solution

The fourth proportional to 38,538.72, 53,119.80 and 25,787.34 is: 35,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,538.72 : 53,119.80 = 25,787.34 : x
  2. Step 2: Convert to fraction form
    38,538.72/53,119.80 = 25,787.34/x
  3. Step 3: Cross multiply
    38,538.72x = 53,119.80 × 25,787.34
  4. Step 4: Simplify right side
    38,538.72x = 1,369,818,343.33
  5. Step 5: Solve for x
    x = 1,369,818,343.33/38,538.72
  6. Step 6: Final answer
    x = 35,543.95

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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.