Home / 28,544.94-39,391.38-15,624.15

Finding the Fourth Proportional to 28,544.94, 39,391.38 and 15,624.15

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Solution

The fourth proportional to 28,544.94, 39,391.38 and 15,624.15 is: 21,560.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.94 : 39,391.38 = 15,624.15 : x
  2. Step 2: Convert to fraction form
    28,544.94/39,391.38 = 15,624.15/x
  3. Step 3: Cross multiply
    28,544.94x = 39,391.38 × 15,624.15
  4. Step 4: Simplify right side
    28,544.94x = 615,456,829.83
  5. Step 5: Solve for x
    x = 615,456,829.83/28,544.94
  6. Step 6: Final answer
    x = 21,560.98

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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.