Home / 23,672.48-35,445.12-18,971.36

Finding the Fourth Proportional to 23,672.48, 35,445.12 and 18,971.36

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Solution

The fourth proportional to 23,672.48, 35,445.12 and 18,971.36 is: 28,406.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,672.48 : 35,445.12 = 18,971.36 : x
  2. Step 2: Convert to fraction form
    23,672.48/35,445.12 = 18,971.36/x
  3. Step 3: Cross multiply
    23,672.48x = 35,445.12 × 18,971.36
  4. Step 4: Simplify right side
    23,672.48x = 672,442,131.76
  5. Step 5: Solve for x
    x = 672,442,131.76/23,672.48
  6. Step 6: Final answer
    x = 28,406.07

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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.