Home / 22,919.20-31,621.56-14,840.08

Finding the Fourth Proportional to 22,919.20, 31,621.56 and 14,840.08

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Solution

The fourth proportional to 22,919.20, 31,621.56 and 14,840.08 is: 20,474.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,919.20 : 31,621.56 = 14,840.08 : x
  2. Step 2: Convert to fraction form
    22,919.20/31,621.56 = 14,840.08/x
  3. Step 3: Cross multiply
    22,919.20x = 31,621.56 × 14,840.08
  4. Step 4: Simplify right side
    22,919.20x = 469,266,480.12
  5. Step 5: Solve for x
    x = 469,266,480.12/22,919.20
  6. Step 6: Final answer
    x = 20,474.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.