Home / 26,602.47-39,866.78-13,439.45

Finding the Fourth Proportional to 26,602.47, 39,866.78 and 13,439.45

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Solution

The fourth proportional to 26,602.47, 39,866.78 and 13,439.45 is: 20,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,602.47 : 39,866.78 = 13,439.45 : x
  2. Step 2: Convert to fraction form
    26,602.47/39,866.78 = 13,439.45/x
  3. Step 3: Cross multiply
    26,602.47x = 39,866.78 × 13,439.45
  4. Step 4: Simplify right side
    26,602.47x = 535,787,329.94
  5. Step 5: Solve for x
    x = 535,787,329.94/26,602.47
  6. Step 6: Final answer
    x = 20,140.51

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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.