Home / 52,379.55-72,285.30-28,507.77

Finding the Fourth Proportional to 52,379.55, 72,285.30 and 28,507.77

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Solution

The fourth proportional to 52,379.55, 72,285.30 and 28,507.77 is: 39,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,379.55 : 72,285.30 = 28,507.77 : x
  2. Step 2: Convert to fraction form
    52,379.55/72,285.30 = 28,507.77/x
  3. Step 3: Cross multiply
    52,379.55x = 72,285.30 × 28,507.77
  4. Step 4: Simplify right side
    52,379.55x = 2,060,692,706.78
  5. Step 5: Solve for x
    x = 2,060,692,706.78/52,379.55
  6. Step 6: Final answer
    x = 39,341.55

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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.