Home / 26,315.28-36,314.10-14,378.52

Finding the Fourth Proportional to 26,315.28, 36,314.10 and 14,378.52

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Solution

The fourth proportional to 26,315.28, 36,314.10 and 14,378.52 is: 19,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,315.28 : 36,314.10 = 14,378.52 : x
  2. Step 2: Convert to fraction form
    26,315.28/36,314.10 = 14,378.52/x
  3. Step 3: Cross multiply
    26,315.28x = 36,314.10 × 14,378.52
  4. Step 4: Simplify right side
    26,315.28x = 522,143,013.13
  5. Step 5: Solve for x
    x = 522,143,013.13/26,315.28
  6. Step 6: Final answer
    x = 19,841.82

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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.