Home / 28,041.12-42,062.52-10,507.68

Finding the Fourth Proportional to 28,041.12, 42,062.52 and 10,507.68

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Solution

The fourth proportional to 28,041.12, 42,062.52 and 10,507.68 is: 15,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.12 : 42,062.52 = 10,507.68 : x
  2. Step 2: Convert to fraction form
    28,041.12/42,062.52 = 10,507.68/x
  3. Step 3: Cross multiply
    28,041.12x = 42,062.52 × 10,507.68
  4. Step 4: Simplify right side
    28,041.12x = 441,979,500.15
  5. Step 5: Solve for x
    x = 441,979,500.15/28,041.12
  6. Step 6: Final answer
    x = 15,761.83

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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.