Home / 52,439.16-72,365.67-28,565.76

Finding the Fourth Proportional to 52,439.16, 72,365.67 and 28,565.76

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Solution

The fourth proportional to 52,439.16, 72,365.67 and 28,565.76 is: 39,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,439.16 : 72,365.67 = 28,565.76 : x
  2. Step 2: Convert to fraction form
    52,439.16/72,365.67 = 28,565.76/x
  3. Step 3: Cross multiply
    52,439.16x = 72,365.67 × 28,565.76
  4. Step 4: Simplify right side
    52,439.16x = 2,067,180,361.46
  5. Step 5: Solve for x
    x = 2,067,180,361.46/52,439.16
  6. Step 6: Final answer
    x = 39,420.55

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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.