Home / 26,457.76-39,679.96-9,808.64

Finding the Fourth Proportional to 26,457.76, 39,679.96 and 9,808.64

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Solution

The fourth proportional to 26,457.76, 39,679.96 and 9,808.64 is: 14,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.76 : 39,679.96 = 9,808.64 : x
  2. Step 2: Convert to fraction form
    26,457.76/39,679.96 = 9,808.64/x
  3. Step 3: Cross multiply
    26,457.76x = 39,679.96 × 9,808.64
  4. Step 4: Simplify right side
    26,457.76x = 389,206,442.85
  5. Step 5: Solve for x
    x = 389,206,442.85/26,457.76
  6. Step 6: Final answer
    x = 14,710.48

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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.