Home / 52,400.40-72,309.63-28,525.65

Finding the Fourth Proportional to 52,400.40, 72,309.63 and 28,525.65

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Solution

The fourth proportional to 52,400.40, 72,309.63 and 28,525.65 is: 39,363.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,400.40 : 72,309.63 = 28,525.65 : x
  2. Step 2: Convert to fraction form
    52,400.40/72,309.63 = 28,525.65/x
  3. Step 3: Cross multiply
    52,400.40x = 72,309.63 × 28,525.65
  4. Step 4: Simplify right side
    52,400.40x = 2,062,679,197.01
  5. Step 5: Solve for x
    x = 2,062,679,197.01/52,400.40
  6. Step 6: Final answer
    x = 39,363.81

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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.