Home / 26,387.28-39,599.28-11,606.40

Finding the Fourth Proportional to 26,387.28, 39,599.28 and 11,606.40

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Solution

The fourth proportional to 26,387.28, 39,599.28 and 11,606.40 is: 17,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,387.28 : 39,599.28 = 11,606.40 : x
  2. Step 2: Convert to fraction form
    26,387.28/39,599.28 = 11,606.40/x
  3. Step 3: Cross multiply
    26,387.28x = 39,599.28 × 11,606.40
  4. Step 4: Simplify right side
    26,387.28x = 459,605,083.39
  5. Step 5: Solve for x
    x = 459,605,083.39/26,387.28
  6. Step 6: Final answer
    x = 17,417.68

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1.5x scale

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.