Home / 31,524.26-47,227.35-28,278.50

Finding the Fourth Proportional to 31,524.26, 47,227.35 and 28,278.50

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Solution

The fourth proportional to 31,524.26, 47,227.35 and 28,278.50 is: 42,364.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.26 : 47,227.35 = 28,278.50 : x
  2. Step 2: Convert to fraction form
    31,524.26/47,227.35 = 28,278.50/x
  3. Step 3: Cross multiply
    31,524.26x = 47,227.35 × 28,278.50
  4. Step 4: Simplify right side
    31,524.26x = 1,335,518,616.98
  5. Step 5: Solve for x
    x = 1,335,518,616.98/31,524.26
  6. Step 6: Final answer
    x = 42,364.79

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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.