Home / 26,389.87-36,417.31-15,059.16

Finding the Fourth Proportional to 26,389.87, 36,417.31 and 15,059.16

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Solution

The fourth proportional to 26,389.87, 36,417.31 and 15,059.16 is: 20,781.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,389.87 : 36,417.31 = 15,059.16 : x
  2. Step 2: Convert to fraction form
    26,389.87/36,417.31 = 15,059.16/x
  3. Step 3: Cross multiply
    26,389.87x = 36,417.31 × 15,059.16
  4. Step 4: Simplify right side
    26,389.87x = 548,414,060.41
  5. Step 5: Solve for x
    x = 548,414,060.41/26,389.87
  6. Step 6: Final answer
    x = 20,781.24

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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.