Home / 26,868.96-37,079.10-15,690.96

Finding the Fourth Proportional to 26,868.96, 37,079.10 and 15,690.96

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Solution

The fourth proportional to 26,868.96, 37,079.10 and 15,690.96 is: 21,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,868.96 : 37,079.10 = 15,690.96 : x
  2. Step 2: Convert to fraction form
    26,868.96/37,079.10 = 15,690.96/x
  3. Step 3: Cross multiply
    26,868.96x = 37,079.10 × 15,690.96
  4. Step 4: Simplify right side
    26,868.96x = 581,806,674.94
  5. Step 5: Solve for x
    x = 581,806,674.94/26,868.96
  6. Step 6: Final answer
    x = 21,653.49

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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.