Home / 25,669.22-38,480.01-13,161.62

Finding the Fourth Proportional to 25,669.22, 38,480.01 and 13,161.62

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Solution

The fourth proportional to 25,669.22, 38,480.01 and 13,161.62 is: 19,730.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,669.22 : 38,480.01 = 13,161.62 : x
  2. Step 2: Convert to fraction form
    25,669.22/38,480.01 = 13,161.62/x
  3. Step 3: Cross multiply
    25,669.22x = 38,480.01 × 13,161.62
  4. Step 4: Simplify right side
    25,669.22x = 506,459,076.82
  5. Step 5: Solve for x
    x = 506,459,076.82/25,669.22
  6. Step 6: Final answer
    x = 19,730.21

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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.