Home / 26,427.84-36,471.66-15,815.52

Finding the Fourth Proportional to 26,427.84, 36,471.66 and 15,815.52

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Solution

The fourth proportional to 26,427.84, 36,471.66 and 15,815.52 is: 21,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,427.84 : 36,471.66 = 15,815.52 : x
  2. Step 2: Convert to fraction form
    26,427.84/36,471.66 = 15,815.52/x
  3. Step 3: Cross multiply
    26,427.84x = 36,471.66 × 15,815.52
  4. Step 4: Simplify right side
    26,427.84x = 576,818,268.16
  5. Step 5: Solve for x
    x = 576,818,268.16/26,427.84
  6. Step 6: Final answer
    x = 21,826.16

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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.