Home / 38,342.90-52,909.49-28,276.76

Finding the Fourth Proportional to 38,342.90, 52,909.49 and 28,276.76

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Solution

The fourth proportional to 38,342.90, 52,909.49 and 28,276.76 is: 39,019.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,342.90 : 52,909.49 = 28,276.76 : x
  2. Step 2: Convert to fraction form
    38,342.90/52,909.49 = 28,276.76/x
  3. Step 3: Cross multiply
    38,342.90x = 52,909.49 × 28,276.76
  4. Step 4: Simplify right side
    38,342.90x = 1,496,108,950.45
  5. Step 5: Solve for x
    x = 1,496,108,950.45/38,342.90
  6. Step 6: Final answer
    x = 39,019.19

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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.