Home / 26,719.26-36,869.76-14,780.70

Finding the Fourth Proportional to 26,719.26, 36,869.76 and 14,780.70

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Solution

The fourth proportional to 26,719.26, 36,869.76 and 14,780.70 is: 20,395.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.26 : 36,869.76 = 14,780.70 : x
  2. Step 2: Convert to fraction form
    26,719.26/36,869.76 = 14,780.70/x
  3. Step 3: Cross multiply
    26,719.26x = 36,869.76 × 14,780.70
  4. Step 4: Simplify right side
    26,719.26x = 544,960,861.63
  5. Step 5: Solve for x
    x = 544,960,861.63/26,719.26
  6. Step 6: Final answer
    x = 20,395.81

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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.