Home / 26,070.80-39,111.89-9,429.09

Finding the Fourth Proportional to 26,070.80, 39,111.89 and 9,429.09

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Solution

The fourth proportional to 26,070.80, 39,111.89 and 9,429.09 is: 14,145.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,070.80 : 39,111.89 = 9,429.09 : x
  2. Step 2: Convert to fraction form
    26,070.80/39,111.89 = 9,429.09/x
  3. Step 3: Cross multiply
    26,070.80x = 39,111.89 × 9,429.09
  4. Step 4: Simplify right side
    26,070.80x = 368,789,583.59
  5. Step 5: Solve for x
    x = 368,789,583.59/26,070.80
  6. Step 6: Final answer
    x = 14,145.70

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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.