Home / 25,900.40-35,755.56-15,293.36

Finding the Fourth Proportional to 25,900.40, 35,755.56 and 15,293.36

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Solution

The fourth proportional to 25,900.40, 35,755.56 and 15,293.36 is: 21,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,900.40 : 35,755.56 = 15,293.36 : x
  2. Step 2: Convert to fraction form
    25,900.40/35,755.56 = 15,293.36/x
  3. Step 3: Cross multiply
    25,900.40x = 35,755.56 × 15,293.36
  4. Step 4: Simplify right side
    25,900.40x = 546,822,651.08
  5. Step 5: Solve for x
    x = 546,822,651.08/25,900.40
  6. Step 6: Final answer
    x = 21,112.52

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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.