Home / 25,712.05-38,513.40-16,854.70

Finding the Fourth Proportional to 25,712.05, 38,513.40 and 16,854.70

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Solution

The fourth proportional to 25,712.05, 38,513.40 and 16,854.70 is: 25,246.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,712.05 : 38,513.40 = 16,854.70 : x
  2. Step 2: Convert to fraction form
    25,712.05/38,513.40 = 16,854.70/x
  3. Step 3: Cross multiply
    25,712.05x = 38,513.40 × 16,854.70
  4. Step 4: Simplify right side
    25,712.05x = 649,131,802.98
  5. Step 5: Solve for x
    x = 649,131,802.98/25,712.05
  6. Step 6: Final answer
    x = 25,246.21

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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.