Home / 26,815.68-40,210.55-15,725.97

Finding the Fourth Proportional to 26,815.68, 40,210.55 and 15,725.97

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Solution

The fourth proportional to 26,815.68, 40,210.55 and 15,725.97 is: 23,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,815.68 : 40,210.55 = 15,725.97 : x
  2. Step 2: Convert to fraction form
    26,815.68/40,210.55 = 15,725.97/x
  3. Step 3: Cross multiply
    26,815.68x = 40,210.55 × 15,725.97
  4. Step 4: Simplify right side
    26,815.68x = 632,349,741.25
  5. Step 5: Solve for x
    x = 632,349,741.25/26,815.68
  6. Step 6: Final answer
    x = 23,581.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.