Home / 52,295.47-72,168.20-28,422.16

Finding the Fourth Proportional to 52,295.47, 72,168.20 and 28,422.16

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Solution

The fourth proportional to 52,295.47, 72,168.20 and 28,422.16 is: 39,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,295.47 : 72,168.20 = 28,422.16 : x
  2. Step 2: Convert to fraction form
    52,295.47/72,168.20 = 28,422.16/x
  3. Step 3: Cross multiply
    52,295.47x = 72,168.20 × 28,422.16
  4. Step 4: Simplify right side
    52,295.47x = 2,051,176,127.31
  5. Step 5: Solve for x
    x = 2,051,176,127.31/52,295.47
  6. Step 6: Final answer
    x = 39,222.83

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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.