Home / 26,019.72-39,038.40-8,253.30

Finding the Fourth Proportional to 26,019.72, 39,038.40 and 8,253.30

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Solution

The fourth proportional to 26,019.72, 39,038.40 and 8,253.30 is: 12,382.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,019.72 : 39,038.40 = 8,253.30 : x
  2. Step 2: Convert to fraction form
    26,019.72/39,038.40 = 8,253.30/x
  3. Step 3: Cross multiply
    26,019.72x = 39,038.40 × 8,253.30
  4. Step 4: Simplify right side
    26,019.72x = 322,195,626.72
  5. Step 5: Solve for x
    x = 322,195,626.72/26,019.72
  6. Step 6: Final answer
    x = 12,382.75

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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.