Home / 26,499.56-36,561.40-15,885.32

Finding the Fourth Proportional to 26,499.56, 36,561.40 and 15,885.32

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Solution

The fourth proportional to 26,499.56, 36,561.40 and 15,885.32 is: 21,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,499.56 : 36,561.40 = 15,885.32 : x
  2. Step 2: Convert to fraction form
    26,499.56/36,561.40 = 15,885.32/x
  3. Step 3: Cross multiply
    26,499.56x = 36,561.40 × 15,885.32
  4. Step 4: Simplify right side
    26,499.56x = 580,789,538.65
  5. Step 5: Solve for x
    x = 580,789,538.65/26,499.56
  6. Step 6: Final answer
    x = 21,916.95

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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.