Home / 32,927.28-45,442.30-18,781.20

Finding the Fourth Proportional to 32,927.28, 45,442.30 and 18,781.20

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Solution

The fourth proportional to 32,927.28, 45,442.30 and 18,781.20 is: 25,919.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,927.28 : 45,442.30 = 18,781.20 : x
  2. Step 2: Convert to fraction form
    32,927.28/45,442.30 = 18,781.20/x
  3. Step 3: Cross multiply
    32,927.28x = 45,442.30 × 18,781.20
  4. Step 4: Simplify right side
    32,927.28x = 853,460,924.76
  5. Step 5: Solve for x
    x = 853,460,924.76/32,927.28
  6. Step 6: Final answer
    x = 25,919.57

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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.