Home / 52,270.80-72,132.75-28,397.22

Finding the Fourth Proportional to 52,270.80, 72,132.75 and 28,397.22

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Solution

The fourth proportional to 52,270.80, 72,132.75 and 28,397.22 is: 39,187.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,270.80 : 72,132.75 = 28,397.22 : x
  2. Step 2: Convert to fraction form
    52,270.80/72,132.75 = 28,397.22/x
  3. Step 3: Cross multiply
    52,270.80x = 72,132.75 × 28,397.22
  4. Step 4: Simplify right side
    52,270.80x = 2,048,369,570.96
  5. Step 5: Solve for x
    x = 2,048,369,570.96/52,270.80
  6. Step 6: Final answer
    x = 39,187.65

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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.