Home / 23,350.78-32,219.89-13,278.63

Finding the Fourth Proportional to 23,350.78, 32,219.89 and 13,278.63

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Solution

The fourth proportional to 23,350.78, 32,219.89 and 13,278.63 is: 18,322.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,350.78 : 32,219.89 = 13,278.63 : x
  2. Step 2: Convert to fraction form
    23,350.78/32,219.89 = 13,278.63/x
  3. Step 3: Cross multiply
    23,350.78x = 32,219.89 × 13,278.63
  4. Step 4: Simplify right side
    23,350.78x = 427,835,964.75
  5. Step 5: Solve for x
    x = 427,835,964.75/23,350.78
  6. Step 6: Final answer
    x = 18,322.13

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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.