Home / 28,557.76-42,842.92-8,566.44

Finding the Fourth Proportional to 28,557.76, 42,842.92 and 8,566.44

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Solution

The fourth proportional to 28,557.76, 42,842.92 and 8,566.44 is: 12,851.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.76 : 42,842.92 = 8,566.44 : x
  2. Step 2: Convert to fraction form
    28,557.76/42,842.92 = 8,566.44/x
  3. Step 3: Cross multiply
    28,557.76x = 42,842.92 × 8,566.44
  4. Step 4: Simplify right side
    28,557.76x = 367,011,303.60
  5. Step 5: Solve for x
    x = 367,011,303.60/28,557.76
  6. Step 6: Final answer
    x = 12,851.54

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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.