Home / 26,343.72-36,378.59-16,928.69

Finding the Fourth Proportional to 26,343.72, 36,378.59 and 16,928.69

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Solution

The fourth proportional to 26,343.72, 36,378.59 and 16,928.69 is: 23,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,343.72 : 36,378.59 = 16,928.69 : x
  2. Step 2: Convert to fraction form
    26,343.72/36,378.59 = 16,928.69/x
  3. Step 3: Cross multiply
    26,343.72x = 36,378.59 × 16,928.69
  4. Step 4: Simplify right side
    26,343.72x = 615,841,606.21
  5. Step 5: Solve for x
    x = 615,841,606.21/26,343.72
  6. Step 6: Final answer
    x = 23,377.17

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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.