Home / 52,763.85-72,811.32-28,885.95

Finding the Fourth Proportional to 52,763.85, 72,811.32 and 28,885.95

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Solution

The fourth proportional to 52,763.85, 72,811.32 and 28,885.95 is: 39,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,763.85 : 72,811.32 = 28,885.95 : x
  2. Step 2: Convert to fraction form
    52,763.85/72,811.32 = 28,885.95/x
  3. Step 3: Cross multiply
    52,763.85x = 72,811.32 × 28,885.95
  4. Step 4: Simplify right side
    52,763.85x = 2,103,224,148.95
  5. Step 5: Solve for x
    x = 2,103,224,148.95/52,763.85
  6. Step 6: Final answer
    x = 39,861.08

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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.