Home / 26,318.56-36,302.64-15,700

Finding the Fourth Proportional to 26,318.56, 36,302.64 and 15,700

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Solution

The fourth proportional to 26,318.56, 36,302.64 and 15,700 is: 21,655.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,318.56 : 36,302.64 = 15,700 : x
  2. Step 2: Convert to fraction form
    26,318.56/36,302.64 = 15,700/x
  3. Step 3: Cross multiply
    26,318.56x = 36,302.64 × 15,700
  4. Step 4: Simplify right side
    26,318.56x = 569,951,448
  5. Step 5: Solve for x
    x = 569,951,448/26,318.56
  6. Step 6: Final answer
    x = 21,655.88

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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.