Home / 26,478.69-36,540.81-14,542.11

Finding the Fourth Proportional to 26,478.69, 36,540.81 and 14,542.11

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Solution

The fourth proportional to 26,478.69, 36,540.81 and 14,542.11 is: 20,068.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,478.69 : 36,540.81 = 14,542.11 : x
  2. Step 2: Convert to fraction form
    26,478.69/36,540.81 = 14,542.11/x
  3. Step 3: Cross multiply
    26,478.69x = 36,540.81 × 14,542.11
  4. Step 4: Simplify right side
    26,478.69x = 531,380,478.51
  5. Step 5: Solve for x
    x = 531,380,478.51/26,478.69
  6. Step 6: Final answer
    x = 20,068.23

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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.