Home / 28,150.53-38,846.07-15,401.18

Finding the Fourth Proportional to 28,150.53, 38,846.07 and 15,401.18

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Solution

The fourth proportional to 28,150.53, 38,846.07 and 15,401.18 is: 21,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,150.53 : 38,846.07 = 15,401.18 : x
  2. Step 2: Convert to fraction form
    28,150.53/38,846.07 = 15,401.18/x
  3. Step 3: Cross multiply
    28,150.53x = 38,846.07 × 15,401.18
  4. Step 4: Simplify right side
    28,150.53x = 598,275,339.06
  5. Step 5: Solve for x
    x = 598,275,339.06/28,150.53
  6. Step 6: Final answer
    x = 21,252.72

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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.