Home / 25,672.29-35,430.39-18,508.11

Finding the Fourth Proportional to 25,672.29, 35,430.39 and 18,508.11

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Solution

The fourth proportional to 25,672.29, 35,430.39 and 18,508.11 is: 25,543.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,672.29 : 35,430.39 = 18,508.11 : x
  2. Step 2: Convert to fraction form
    25,672.29/35,430.39 = 18,508.11/x
  3. Step 3: Cross multiply
    25,672.29x = 35,430.39 × 18,508.11
  4. Step 4: Simplify right side
    25,672.29x = 655,749,555.46
  5. Step 5: Solve for x
    x = 655,749,555.46/25,672.29
  6. Step 6: Final answer
    x = 25,543.09

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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.