Home / 28,319.02-42,475.79-8,597.74

Finding the Fourth Proportional to 28,319.02, 42,475.79 and 8,597.74

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Solution

The fourth proportional to 28,319.02, 42,475.79 and 8,597.74 is: 12,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,319.02 : 42,475.79 = 8,597.74 : x
  2. Step 2: Convert to fraction form
    28,319.02/42,475.79 = 8,597.74/x
  3. Step 3: Cross multiply
    28,319.02x = 42,475.79 × 8,597.74
  4. Step 4: Simplify right side
    28,319.02x = 365,195,883.41
  5. Step 5: Solve for x
    x = 365,195,883.41/28,319.02
  6. Step 6: Final answer
    x = 12,895.78

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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.