Home / 28,327.80-42,494.48-10,320.92

Finding the Fourth Proportional to 28,327.80, 42,494.48 and 10,320.92

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Solution

The fourth proportional to 28,327.80, 42,494.48 and 10,320.92 is: 15,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.80 : 42,494.48 = 10,320.92 : x
  2. Step 2: Convert to fraction form
    28,327.80/42,494.48 = 10,320.92/x
  3. Step 3: Cross multiply
    28,327.80x = 42,494.48 × 10,320.92
  4. Step 4: Simplify right side
    28,327.80x = 438,582,183.15
  5. Step 5: Solve for x
    x = 438,582,183.15/28,327.80
  6. Step 6: Final answer
    x = 15,482.39

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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.