Home / 28,600.66-39,466.92-15,853.72

Finding the Fourth Proportional to 28,600.66, 39,466.92 and 15,853.72

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Solution

The fourth proportional to 28,600.66, 39,466.92 and 15,853.72 is: 21,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.66 : 39,466.92 = 15,853.72 : x
  2. Step 2: Convert to fraction form
    28,600.66/39,466.92 = 15,853.72/x
  3. Step 3: Cross multiply
    28,600.66x = 39,466.92 × 15,853.72
  4. Step 4: Simplify right side
    28,600.66x = 625,697,498.94
  5. Step 5: Solve for x
    x = 625,697,498.94/28,600.66
  6. Step 6: Final answer
    x = 21,877.03

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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.