Home / 31,662.29-47,524.88-28,127.55

Finding the Fourth Proportional to 31,662.29, 47,524.88 and 28,127.55

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Solution

The fourth proportional to 31,662.29, 47,524.88 and 28,127.55 is: 42,219.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,662.29 : 47,524.88 = 28,127.55 : x
  2. Step 2: Convert to fraction form
    31,662.29/47,524.88 = 28,127.55/x
  3. Step 3: Cross multiply
    31,662.29x = 47,524.88 × 28,127.55
  4. Step 4: Simplify right side
    31,662.29x = 1,336,758,528.76
  5. Step 5: Solve for x
    x = 1,336,758,528.76/31,662.29
  6. Step 6: Final answer
    x = 42,219.26

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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.