Home / 52,287.85-72,156.18-28,415.13

Finding the Fourth Proportional to 52,287.85, 72,156.18 and 28,415.13

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Solution

The fourth proportional to 52,287.85, 72,156.18 and 28,415.13 is: 39,212.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,287.85 : 72,156.18 = 28,415.13 : x
  2. Step 2: Convert to fraction form
    52,287.85/72,156.18 = 28,415.13/x
  3. Step 3: Cross multiply
    52,287.85x = 72,156.18 × 28,415.13
  4. Step 4: Simplify right side
    52,287.85x = 2,050,327,235.00
  5. Step 5: Solve for x
    x = 2,050,327,235.00/52,287.85
  6. Step 6: Final answer
    x = 39,212.31

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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.