Home / 26,042.16-35,931.96-15,429.96

Finding the Fourth Proportional to 26,042.16, 35,931.96 and 15,429.96

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Solution

The fourth proportional to 26,042.16, 35,931.96 and 15,429.96 is: 21,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,042.16 : 35,931.96 = 15,429.96 : x
  2. Step 2: Convert to fraction form
    26,042.16/35,931.96 = 15,429.96/x
  3. Step 3: Cross multiply
    26,042.16x = 35,931.96 × 15,429.96
  4. Step 4: Simplify right side
    26,042.16x = 554,428,705.52
  5. Step 5: Solve for x
    x = 554,428,705.52/26,042.16
  6. Step 6: Final answer
    x = 21,289.66

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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.