Home / 52,265.28-72,126-28,392.42

Finding the Fourth Proportional to 52,265.28, 72,126 and 28,392.42

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Solution

The fourth proportional to 52,265.28, 72,126 and 28,392.42 is: 39,181.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,265.28 : 72,126 = 28,392.42 : x
  2. Step 2: Convert to fraction form
    52,265.28/72,126 = 28,392.42/x
  3. Step 3: Cross multiply
    52,265.28x = 72,126 × 28,392.42
  4. Step 4: Simplify right side
    52,265.28x = 2,047,831,684.92
  5. Step 5: Solve for x
    x = 2,047,831,684.92/52,265.28
  6. Step 6: Final answer
    x = 39,181.49

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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.