Home / 38,370.88-52,948-28,304.76

Finding the Fourth Proportional to 38,370.88, 52,948 and 28,304.76

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Solution

The fourth proportional to 38,370.88, 52,948 and 28,304.76 is: 39,057.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,370.88 : 52,948 = 28,304.76 : x
  2. Step 2: Convert to fraction form
    38,370.88/52,948 = 28,304.76/x
  3. Step 3: Cross multiply
    38,370.88x = 52,948 × 28,304.76
  4. Step 4: Simplify right side
    38,370.88x = 1,498,680,432.48
  5. Step 5: Solve for x
    x = 1,498,680,432.48/38,370.88
  6. Step 6: Final answer
    x = 39,057.76

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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.