Home / 28,542.80-42,826.52-15,392.12

Finding the Fourth Proportional to 28,542.80, 42,826.52 and 15,392.12

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Solution

The fourth proportional to 28,542.80, 42,826.52 and 15,392.12 is: 23,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542.80 : 42,826.52 = 15,392.12 : x
  2. Step 2: Convert to fraction form
    28,542.80/42,826.52 = 15,392.12/x
  3. Step 3: Cross multiply
    28,542.80x = 42,826.52 × 15,392.12
  4. Step 4: Simplify right side
    28,542.80x = 659,190,935.02
  5. Step 5: Solve for x
    x = 659,190,935.02/28,542.80
  6. Step 6: Final answer
    x = 23,094.82

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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.