Home / 28,600.94-39,468.80-15,854.08

Finding the Fourth Proportional to 28,600.94, 39,468.80 and 15,854.08

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Solution

The fourth proportional to 28,600.94, 39,468.80 and 15,854.08 is: 21,878.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.94 : 39,468.80 = 15,854.08 : x
  2. Step 2: Convert to fraction form
    28,600.94/39,468.80 = 15,854.08/x
  3. Step 3: Cross multiply
    28,600.94x = 39,468.80 × 15,854.08
  4. Step 4: Simplify right side
    28,600.94x = 625,741,315.36
  5. Step 5: Solve for x
    x = 625,741,315.36/28,600.94
  6. Step 6: Final answer
    x = 21,878.35

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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.