Home / 52,275.24-72,140.76-28,401.84

Finding the Fourth Proportional to 52,275.24, 72,140.76 and 28,401.84

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Solution

The fourth proportional to 52,275.24, 72,140.76 and 28,401.84 is: 39,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,275.24 : 72,140.76 = 28,401.84 : x
  2. Step 2: Convert to fraction form
    52,275.24/72,140.76 = 28,401.84/x
  3. Step 3: Cross multiply
    52,275.24x = 72,140.76 × 28,401.84
  4. Step 4: Simplify right side
    52,275.24x = 2,048,930,323.00
  5. Step 5: Solve for x
    x = 2,048,930,323.00/52,275.24
  6. Step 6: Final answer
    x = 39,195.04

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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.