Home / 26,311.48-39,461.40-7,587.36

Finding the Fourth Proportional to 26,311.48, 39,461.40 and 7,587.36

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Solution

The fourth proportional to 26,311.48, 39,461.40 and 7,587.36 is: 11,379.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.48 : 39,461.40 = 7,587.36 : x
  2. Step 2: Convert to fraction form
    26,311.48/39,461.40 = 7,587.36/x
  3. Step 3: Cross multiply
    26,311.48x = 39,461.40 × 7,587.36
  4. Step 4: Simplify right side
    26,311.48x = 299,407,847.90
  5. Step 5: Solve for x
    x = 299,407,847.90/26,311.48
  6. Step 6: Final answer
    x = 11,379.36

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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.