Home / 38,251.80-57,377.70-28,410.30

Finding the Fourth Proportional to 38,251.80, 57,377.70 and 28,410.30

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Solution

The fourth proportional to 38,251.80, 57,377.70 and 28,410.30 is: 42,615.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251.80 : 57,377.70 = 28,410.30 : x
  2. Step 2: Convert to fraction form
    38,251.80/57,377.70 = 28,410.30/x
  3. Step 3: Cross multiply
    38,251.80x = 57,377.70 × 28,410.30
  4. Step 4: Simplify right side
    38,251.80x = 1,630,117,670.31
  5. Step 5: Solve for x
    x = 1,630,117,670.31/38,251.80
  6. Step 6: Final answer
    x = 42,615.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.