Home / 25,750.90-35,540.88-15,141.10

Finding the Fourth Proportional to 25,750.90, 35,540.88 and 15,141.10

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Solution

The fourth proportional to 25,750.90, 35,540.88 and 15,141.10 is: 20,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,750.90 : 35,540.88 = 15,141.10 : x
  2. Step 2: Convert to fraction form
    25,750.90/35,540.88 = 15,141.10/x
  3. Step 3: Cross multiply
    25,750.90x = 35,540.88 × 15,141.10
  4. Step 4: Simplify right side
    25,750.90x = 538,128,018.17
  5. Step 5: Solve for x
    x = 538,128,018.17/25,750.90
  6. Step 6: Final answer
    x = 20,897.45

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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.