Home / 26,201.80-39,302.70-13,079.80

Finding the Fourth Proportional to 26,201.80, 39,302.70 and 13,079.80

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Solution

The fourth proportional to 26,201.80, 39,302.70 and 13,079.80 is: 19,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,201.80 : 39,302.70 = 13,079.80 : x
  2. Step 2: Convert to fraction form
    26,201.80/39,302.70 = 13,079.80/x
  3. Step 3: Cross multiply
    26,201.80x = 39,302.70 × 13,079.80
  4. Step 4: Simplify right side
    26,201.80x = 514,071,455.46
  5. Step 5: Solve for x
    x = 514,071,455.46/26,201.80
  6. Step 6: Final answer
    x = 19,619.70

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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.