Home / 26,980.78-37,259.13-25,508.20

Finding the Fourth Proportional to 26,980.78, 37,259.13 and 25,508.20

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Solution

The fourth proportional to 26,980.78, 37,259.13 and 25,508.20 is: 35,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.78 : 37,259.13 = 25,508.20 : x
  2. Step 2: Convert to fraction form
    26,980.78/37,259.13 = 25,508.20/x
  3. Step 3: Cross multiply
    26,980.78x = 37,259.13 × 25,508.20
  4. Step 4: Simplify right side
    26,980.78x = 950,413,339.87
  5. Step 5: Solve for x
    x = 950,413,339.87/26,980.78
  6. Step 6: Final answer
    x = 35,225.57

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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.