Home / 26,378.55-36,395.17-15,043.91

Finding the Fourth Proportional to 26,378.55, 36,395.17 and 15,043.91

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Solution

The fourth proportional to 26,378.55, 36,395.17 and 15,043.91 is: 20,756.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,378.55 : 36,395.17 = 15,043.91 : x
  2. Step 2: Convert to fraction form
    26,378.55/36,395.17 = 15,043.91/x
  3. Step 3: Cross multiply
    26,378.55x = 36,395.17 × 15,043.91
  4. Step 4: Simplify right side
    26,378.55x = 547,525,661.91
  5. Step 5: Solve for x
    x = 547,525,661.91/26,378.55
  6. Step 6: Final answer
    x = 20,756.47

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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.