Home / 28,935.20-43,402.80-10,462.88

Finding the Fourth Proportional to 28,935.20, 43,402.80 and 10,462.88

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Solution

The fourth proportional to 28,935.20, 43,402.80 and 10,462.88 is: 15,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.20 : 43,402.80 = 10,462.88 : x
  2. Step 2: Convert to fraction form
    28,935.20/43,402.80 = 10,462.88/x
  3. Step 3: Cross multiply
    28,935.20x = 43,402.80 × 10,462.88
  4. Step 4: Simplify right side
    28,935.20x = 454,118,288.06
  5. Step 5: Solve for x
    x = 454,118,288.06/28,935.20
  6. Step 6: Final answer
    x = 15,694.32

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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.