Home / 52,759.40-72,808.84-28,885.68

Finding the Fourth Proportional to 52,759.40, 72,808.84 and 28,885.68

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Solution

The fourth proportional to 52,759.40, 72,808.84 and 28,885.68 is: 39,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,759.40 : 72,808.84 = 28,885.68 : x
  2. Step 2: Convert to fraction form
    52,759.40/72,808.84 = 28,885.68/x
  3. Step 3: Cross multiply
    52,759.40x = 72,808.84 × 28,885.68
  4. Step 4: Simplify right side
    52,759.40x = 2,103,132,853.41
  5. Step 5: Solve for x
    x = 2,103,132,853.41/52,759.40
  6. Step 6: Final answer
    x = 39,862.71

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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.