Home / 28,566.96-42,854.40-8,847.12

Finding the Fourth Proportional to 28,566.96, 42,854.40 and 8,847.12

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Solution

The fourth proportional to 28,566.96, 42,854.40 and 8,847.12 is: 13,271.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,566.96 : 42,854.40 = 8,847.12 : x
  2. Step 2: Convert to fraction form
    28,566.96/42,854.40 = 8,847.12/x
  3. Step 3: Cross multiply
    28,566.96x = 42,854.40 × 8,847.12
  4. Step 4: Simplify right side
    28,566.96x = 379,138,019.33
  5. Step 5: Solve for x
    x = 379,138,019.33/28,566.96
  6. Step 6: Final answer
    x = 13,271.91

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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.