Home / 26,476.68-39,636.89-13,969.79

Finding the Fourth Proportional to 26,476.68, 39,636.89 and 13,969.79

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Solution

The fourth proportional to 26,476.68, 39,636.89 and 13,969.79 is: 20,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,476.68 : 39,636.89 = 13,969.79 : x
  2. Step 2: Convert to fraction form
    26,476.68/39,636.89 = 13,969.79/x
  3. Step 3: Cross multiply
    26,476.68x = 39,636.89 × 13,969.79
  4. Step 4: Simplify right side
    26,476.68x = 553,718,761.52
  5. Step 5: Solve for x
    x = 553,718,761.52/26,476.68
  6. Step 6: Final answer
    x = 20,913.45

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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.