Home / 28,262.16-42,393.24-15,074.58

Finding the Fourth Proportional to 28,262.16, 42,393.24 and 15,074.58

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Solution

The fourth proportional to 28,262.16, 42,393.24 and 15,074.58 is: 22,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.16 : 42,393.24 = 15,074.58 : x
  2. Step 2: Convert to fraction form
    28,262.16/42,393.24 = 15,074.58/x
  3. Step 3: Cross multiply
    28,262.16x = 42,393.24 × 15,074.58
  4. Step 4: Simplify right side
    28,262.16x = 639,060,287.84
  5. Step 5: Solve for x
    x = 639,060,287.84/28,262.16
  6. Step 6: Final answer
    x = 22,611.87

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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.