Home / 23,749.68-32,775.88-13,139.28

Finding the Fourth Proportional to 23,749.68, 32,775.88 and 13,139.28

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Solution

The fourth proportional to 23,749.68, 32,775.88 and 13,139.28 is: 18,132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,749.68 : 32,775.88 = 13,139.28 : x
  2. Step 2: Convert to fraction form
    23,749.68/32,775.88 = 13,139.28/x
  3. Step 3: Cross multiply
    23,749.68x = 32,775.88 × 13,139.28
  4. Step 4: Simplify right side
    23,749.68x = 430,651,464.57
  5. Step 5: Solve for x
    x = 430,651,464.57/23,749.68
  6. Step 6: Final answer
    x = 18,132.94

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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.