Home / 26,878.01-40,312.49-8,153.57

Finding the Fourth Proportional to 26,878.01, 40,312.49 and 8,153.57

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Solution

The fourth proportional to 26,878.01, 40,312.49 and 8,153.57 is: 12,228.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.01 : 40,312.49 = 8,153.57 : x
  2. Step 2: Convert to fraction form
    26,878.01/40,312.49 = 8,153.57/x
  3. Step 3: Cross multiply
    26,878.01x = 40,312.49 × 8,153.57
  4. Step 4: Simplify right side
    26,878.01x = 328,690,466.76
  5. Step 5: Solve for x
    x = 328,690,466.76/26,878.01
  6. Step 6: Final answer
    x = 12,228.98

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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.