Home / 28,746.65-39,671.68-16,000.65

Finding the Fourth Proportional to 28,746.65, 39,671.68 and 16,000.65

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Solution

The fourth proportional to 28,746.65, 39,671.68 and 16,000.65 is: 22,081.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.65 : 39,671.68 = 16,000.65 : x
  2. Step 2: Convert to fraction form
    28,746.65/39,671.68 = 16,000.65/x
  3. Step 3: Cross multiply
    28,746.65x = 39,671.68 × 16,000.65
  4. Step 4: Simplify right side
    28,746.65x = 634,772,468.23
  5. Step 5: Solve for x
    x = 634,772,468.23/28,746.65
  6. Step 6: Final answer
    x = 22,081.62

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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.