Home / 52,276.90-72,142.57-28,403.62

Finding the Fourth Proportional to 52,276.90, 72,142.57 and 28,403.62

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Solution

The fourth proportional to 52,276.90, 72,142.57 and 28,403.62 is: 39,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,276.90 : 72,142.57 = 28,403.62 : x
  2. Step 2: Convert to fraction form
    52,276.90/72,142.57 = 28,403.62/x
  3. Step 3: Cross multiply
    52,276.90x = 72,142.57 × 28,403.62
  4. Step 4: Simplify right side
    52,276.90x = 2,049,110,144.10
  5. Step 5: Solve for x
    x = 2,049,110,144.10/52,276.90
  6. Step 6: Final answer
    x = 39,197.24

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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.