Home / 26,457.78-39,679.95-9,808.62

Finding the Fourth Proportional to 26,457.78, 39,679.95 and 9,808.62

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Solution

The fourth proportional to 26,457.78, 39,679.95 and 9,808.62 is: 14,710.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,457.78 : 39,679.95 = 9,808.62 : x
  2. Step 2: Convert to fraction form
    26,457.78/39,679.95 = 9,808.62/x
  3. Step 3: Cross multiply
    26,457.78x = 39,679.95 × 9,808.62
  4. Step 4: Simplify right side
    26,457.78x = 389,205,551.17
  5. Step 5: Solve for x
    x = 389,205,551.17/26,457.78
  6. Step 6: Final answer
    x = 14,710.44

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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.