Home / 26,913.20-37,140.12-14,979.29

Finding the Fourth Proportional to 26,913.20, 37,140.12 and 14,979.29

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Solution

The fourth proportional to 26,913.20, 37,140.12 and 14,979.29 is: 20,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.20 : 37,140.12 = 14,979.29 : x
  2. Step 2: Convert to fraction form
    26,913.20/37,140.12 = 14,979.29/x
  3. Step 3: Cross multiply
    26,913.20x = 37,140.12 × 14,979.29
  4. Step 4: Simplify right side
    26,913.20x = 556,332,442.41
  5. Step 5: Solve for x
    x = 556,332,442.41/26,913.20
  6. Step 6: Final answer
    x = 20,671.36

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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.