Home / 26,610.40-39,922.54-9,970.68

Finding the Fourth Proportional to 26,610.40, 39,922.54 and 9,970.68

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Solution

The fourth proportional to 26,610.40, 39,922.54 and 9,970.68 is: 14,958.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,610.40 : 39,922.54 = 9,970.68 : x
  2. Step 2: Convert to fraction form
    26,610.40/39,922.54 = 9,970.68/x
  3. Step 3: Cross multiply
    26,610.40x = 39,922.54 × 9,970.68
  4. Step 4: Simplify right side
    26,610.40x = 398,054,871.13
  5. Step 5: Solve for x
    x = 398,054,871.13/26,610.40
  6. Step 6: Final answer
    x = 14,958.62

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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.