Home / 26,020.04-39,036.13-8,489.81

Finding the Fourth Proportional to 26,020.04, 39,036.13 and 8,489.81

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Solution

The fourth proportional to 26,020.04, 39,036.13 and 8,489.81 is: 12,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,020.04 : 39,036.13 = 8,489.81 : x
  2. Step 2: Convert to fraction form
    26,020.04/39,036.13 = 8,489.81/x
  3. Step 3: Cross multiply
    26,020.04x = 39,036.13 × 8,489.81
  4. Step 4: Simplify right side
    26,020.04x = 331,409,403.20
  5. Step 5: Solve for x
    x = 331,409,403.20/26,020.04
  6. Step 6: Final answer
    x = 12,736.70

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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.