Home / 29,987-41,401.26-26,837.72

Finding the Fourth Proportional to 29,987, 41,401.26 and 26,837.72

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Solution

The fourth proportional to 29,987, 41,401.26 and 26,837.72 is: 37,053.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987 : 41,401.26 = 26,837.72 : x
  2. Step 2: Convert to fraction form
    29,987/41,401.26 = 26,837.72/x
  3. Step 3: Cross multiply
    29,987x = 41,401.26 × 26,837.72
  4. Step 4: Simplify right side
    29,987x = 1,111,115,423.53
  5. Step 5: Solve for x
    x = 1,111,115,423.53/29,987
  6. Step 6: Final answer
    x = 37,053.24

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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.