Home / 26,447.64-39,662.95-13,960.47

Finding the Fourth Proportional to 26,447.64, 39,662.95 and 13,960.47

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Solution

The fourth proportional to 26,447.64, 39,662.95 and 13,960.47 is: 20,936.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,447.64 : 39,662.95 = 13,960.47 : x
  2. Step 2: Convert to fraction form
    26,447.64/39,662.95 = 13,960.47/x
  3. Step 3: Cross multiply
    26,447.64x = 39,662.95 × 13,960.47
  4. Step 4: Simplify right side
    26,447.64x = 553,713,423.59
  5. Step 5: Solve for x
    x = 553,713,423.59/26,447.64
  6. Step 6: Final answer
    x = 20,936.21

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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.