Home / 28,746.95-39,672.27-16,000.16

Finding the Fourth Proportional to 28,746.95, 39,672.27 and 16,000.16

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Solution

The fourth proportional to 28,746.95, 39,672.27 and 16,000.16 is: 22,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.95 : 39,672.27 = 16,000.16 : x
  2. Step 2: Convert to fraction form
    28,746.95/39,672.27 = 16,000.16/x
  3. Step 3: Cross multiply
    28,746.95x = 39,672.27 × 16,000.16
  4. Step 4: Simplify right side
    28,746.95x = 634,762,469.20
  5. Step 5: Solve for x
    x = 634,762,469.20/28,746.95
  6. Step 6: Final answer
    x = 22,081.04

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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.