Home / 26,167.78-36,111.19-14,230.86

Finding the Fourth Proportional to 26,167.78, 36,111.19 and 14,230.86

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Solution

The fourth proportional to 26,167.78, 36,111.19 and 14,230.86 is: 19,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,167.78 : 36,111.19 = 14,230.86 : x
  2. Step 2: Convert to fraction form
    26,167.78/36,111.19 = 14,230.86/x
  3. Step 3: Cross multiply
    26,167.78x = 36,111.19 × 14,230.86
  4. Step 4: Simplify right side
    26,167.78x = 513,893,289.32
  5. Step 5: Solve for x
    x = 513,893,289.32/26,167.78
  6. Step 6: Final answer
    x = 19,638.40

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Half scale
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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.