Home / 29,265.77-40,386.84-15,837.17

Finding the Fourth Proportional to 29,265.77, 40,386.84 and 15,837.17

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Solution

The fourth proportional to 29,265.77, 40,386.84 and 15,837.17 is: 21,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,265.77 : 40,386.84 = 15,837.17 : x
  2. Step 2: Convert to fraction form
    29,265.77/40,386.84 = 15,837.17/x
  3. Step 3: Cross multiply
    29,265.77x = 40,386.84 × 15,837.17
  4. Step 4: Simplify right side
    29,265.77x = 639,613,216.70
  5. Step 5: Solve for x
    x = 639,613,216.70/29,265.77
  6. Step 6: Final answer
    x = 21,855.33

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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.