Home / 26,787.92-36,971.24-15,459.26

Finding the Fourth Proportional to 26,787.92, 36,971.24 and 15,459.26

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Solution

The fourth proportional to 26,787.92, 36,971.24 and 15,459.26 is: 21,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,787.92 : 36,971.24 = 15,459.26 : x
  2. Step 2: Convert to fraction form
    26,787.92/36,971.24 = 15,459.26/x
  3. Step 3: Cross multiply
    26,787.92x = 36,971.24 × 15,459.26
  4. Step 4: Simplify right side
    26,787.92x = 571,547,749.53
  5. Step 5: Solve for x
    x = 571,547,749.53/26,787.92
  6. Step 6: Final answer
    x = 21,336.03

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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.