Home / 28,587.72-39,451.06-16,012.46

Finding the Fourth Proportional to 28,587.72, 39,451.06 and 16,012.46

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Solution

The fourth proportional to 28,587.72, 39,451.06 and 16,012.46 is: 22,097.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,587.72 : 39,451.06 = 16,012.46 : x
  2. Step 2: Convert to fraction form
    28,587.72/39,451.06 = 16,012.46/x
  3. Step 3: Cross multiply
    28,587.72x = 39,451.06 × 16,012.46
  4. Step 4: Simplify right side
    28,587.72x = 631,708,520.21
  5. Step 5: Solve for x
    x = 631,708,520.21/28,587.72
  6. Step 6: Final answer
    x = 22,097.20

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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.