Home / 26,429.66-36,437.65-20,996.75

Finding the Fourth Proportional to 26,429.66, 36,437.65 and 20,996.75

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Solution

The fourth proportional to 26,429.66, 36,437.65 and 20,996.75 is: 28,947.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.66 : 36,437.65 = 20,996.75 : x
  2. Step 2: Convert to fraction form
    26,429.66/36,437.65 = 20,996.75/x
  3. Step 3: Cross multiply
    26,429.66x = 36,437.65 × 20,996.75
  4. Step 4: Simplify right side
    26,429.66x = 765,072,266.24
  5. Step 5: Solve for x
    x = 765,072,266.24/26,429.66
  6. Step 6: Final answer
    x = 28,947.49

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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.