Home / 26,979.40-37,218.33-18,029.10

Finding the Fourth Proportional to 26,979.40, 37,218.33 and 18,029.10

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Solution

The fourth proportional to 26,979.40, 37,218.33 and 18,029.10 is: 24,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,979.40 : 37,218.33 = 18,029.10 : x
  2. Step 2: Convert to fraction form
    26,979.40/37,218.33 = 18,029.10/x
  3. Step 3: Cross multiply
    26,979.40x = 37,218.33 × 18,029.10
  4. Step 4: Simplify right side
    26,979.40x = 671,012,993.40
  5. Step 5: Solve for x
    x = 671,012,993.40/26,979.40
  6. Step 6: Final answer
    x = 24,871.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.