Home / 23,001.42-31,741.82-13,447.74

Finding the Fourth Proportional to 23,001.42, 31,741.82 and 13,447.74

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Solution

The fourth proportional to 23,001.42, 31,741.82 and 13,447.74 is: 18,557.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001.42 : 31,741.82 = 13,447.74 : x
  2. Step 2: Convert to fraction form
    23,001.42/31,741.82 = 13,447.74/x
  3. Step 3: Cross multiply
    23,001.42x = 31,741.82 × 13,447.74
  4. Step 4: Simplify right side
    23,001.42x = 426,855,742.49
  5. Step 5: Solve for x
    x = 426,855,742.49/23,001.42
  6. Step 6: Final answer
    x = 18,557.80

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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.