Home / 29,266.31-40,387.51-15,837.57

Finding the Fourth Proportional to 29,266.31, 40,387.51 and 15,837.57

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Solution

The fourth proportional to 29,266.31, 40,387.51 and 15,837.57 is: 21,855.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,266.31 : 40,387.51 = 15,837.57 : x
  2. Step 2: Convert to fraction form
    29,266.31/40,387.51 = 15,837.57/x
  3. Step 3: Cross multiply
    29,266.31x = 40,387.51 × 15,837.57
  4. Step 4: Simplify right side
    29,266.31x = 639,639,824.71
  5. Step 5: Solve for x
    x = 639,639,824.71/29,266.31
  6. Step 6: Final answer
    x = 21,855.84

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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.