Home / 26,042.40-35,945.70-15,437.88

Finding the Fourth Proportional to 26,042.40, 35,945.70 and 15,437.88

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Solution

The fourth proportional to 26,042.40, 35,945.70 and 15,437.88 is: 21,308.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,042.40 : 35,945.70 = 15,437.88 : x
  2. Step 2: Convert to fraction form
    26,042.40/35,945.70 = 15,437.88/x
  3. Step 3: Cross multiply
    26,042.40x = 35,945.70 × 15,437.88
  4. Step 4: Simplify right side
    26,042.40x = 554,925,403.12
  5. Step 5: Solve for x
    x = 554,925,403.12/26,042.40
  6. Step 6: Final answer
    x = 21,308.54

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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.