Home / 28,693.29-39,590.59-16,751.20

Finding the Fourth Proportional to 28,693.29, 39,590.59 and 16,751.20

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Solution

The fourth proportional to 28,693.29, 39,590.59 and 16,751.20 is: 23,113.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.29 : 39,590.59 = 16,751.20 : x
  2. Step 2: Convert to fraction form
    28,693.29/39,590.59 = 16,751.20/x
  3. Step 3: Cross multiply
    28,693.29x = 39,590.59 × 16,751.20
  4. Step 4: Simplify right side
    28,693.29x = 663,189,891.21
  5. Step 5: Solve for x
    x = 663,189,891.21/28,693.29
  6. Step 6: Final answer
    x = 23,113.07

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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.