Home / 28,357.86-42,508.92-10,575.48

Finding the Fourth Proportional to 28,357.86, 42,508.92 and 10,575.48

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Solution

The fourth proportional to 28,357.86, 42,508.92 and 10,575.48 is: 15,852.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.86 : 42,508.92 = 10,575.48 : x
  2. Step 2: Convert to fraction form
    28,357.86/42,508.92 = 10,575.48/x
  3. Step 3: Cross multiply
    28,357.86x = 42,508.92 × 10,575.48
  4. Step 4: Simplify right side
    28,357.86x = 449,552,233.28
  5. Step 5: Solve for x
    x = 449,552,233.28/28,357.86
  6. Step 6: Final answer
    x = 15,852.83

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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.