Home / 26,919.72-40,353.35-12,876.08

Finding the Fourth Proportional to 26,919.72, 40,353.35 and 12,876.08

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Solution

The fourth proportional to 26,919.72, 40,353.35 and 12,876.08 is: 19,301.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.72 : 40,353.35 = 12,876.08 : x
  2. Step 2: Convert to fraction form
    26,919.72/40,353.35 = 12,876.08/x
  3. Step 3: Cross multiply
    26,919.72x = 40,353.35 × 12,876.08
  4. Step 4: Simplify right side
    26,919.72x = 519,592,962.87
  5. Step 5: Solve for x
    x = 519,592,962.87/26,919.72
  6. Step 6: Final answer
    x = 19,301.57

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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.