Home / 28,392,840.80-42,589,261.20-17,055,432.80

Finding the Fourth Proportional to 28,392,840.80, 42,589,261.20 and 17,055,432.80

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Solution

The fourth proportional to 28,392,840.80, 42,589,261.20 and 17,055,432.80 is: 25,583,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,392,840.80 : 42,589,261.20 = 17,055,432.80 : x
  2. Step 2: Convert to fraction form
    28,392,840.80/42,589,261.20 = 17,055,432.80/x
  3. Step 3: Cross multiply
    28,392,840.80x = 42,589,261.20 × 17,055,432.80
  4. Step 4: Simplify right side
    28,392,840.80x = 726,378,282,398,247.50
  5. Step 5: Solve for x
    x = 726,378,282,398,247.50/28,392,840.80
  6. Step 6: Final answer
    x = 25,583,149.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.