Home / 28,601.07-39,468.24-15,854.19

Finding the Fourth Proportional to 28,601.07, 39,468.24 and 15,854.19

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Solution

The fourth proportional to 28,601.07, 39,468.24 and 15,854.19 is: 21,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,601.07 : 39,468.24 = 15,854.19 : x
  2. Step 2: Convert to fraction form
    28,601.07/39,468.24 = 15,854.19/x
  3. Step 3: Cross multiply
    28,601.07x = 39,468.24 × 15,854.19
  4. Step 4: Simplify right side
    28,601.07x = 625,736,975.93
  5. Step 5: Solve for x
    x = 625,736,975.93/28,601.07
  6. Step 6: Final answer
    x = 21,878.10

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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.