Home / 26,913.57-40,376.82-8,445.57

Finding the Fourth Proportional to 26,913.57, 40,376.82 and 8,445.57

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Solution

The fourth proportional to 26,913.57, 40,376.82 and 8,445.57 is: 12,670.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,913.57 : 40,376.82 = 8,445.57 : x
  2. Step 2: Convert to fraction form
    26,913.57/40,376.82 = 8,445.57/x
  3. Step 3: Cross multiply
    26,913.57x = 40,376.82 × 8,445.57
  4. Step 4: Simplify right side
    26,913.57x = 341,005,259.69
  5. Step 5: Solve for x
    x = 341,005,259.69/26,913.57
  6. Step 6: Final answer
    x = 12,670.38

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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.