Home / 52,265.18-72,127.29-28,393.22

Finding the Fourth Proportional to 52,265.18, 72,127.29 and 28,393.22

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Solution

The fourth proportional to 52,265.18, 72,127.29 and 28,393.22 is: 39,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,265.18 : 72,127.29 = 28,393.22 : x
  2. Step 2: Convert to fraction form
    52,265.18/72,127.29 = 28,393.22/x
  3. Step 3: Cross multiply
    52,265.18x = 72,127.29 × 28,393.22
  4. Step 4: Simplify right side
    52,265.18x = 2,047,926,012.97
  5. Step 5: Solve for x
    x = 2,047,926,012.97/52,265.18
  6. Step 6: Final answer
    x = 39,183.37

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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.