Home / 29,382.29-40,547.31-15,953.28

Finding the Fourth Proportional to 29,382.29, 40,547.31 and 15,953.28

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Solution

The fourth proportional to 29,382.29, 40,547.31 and 15,953.28 is: 22,015.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,382.29 : 40,547.31 = 15,953.28 : x
  2. Step 2: Convert to fraction form
    29,382.29/40,547.31 = 15,953.28/x
  3. Step 3: Cross multiply
    29,382.29x = 40,547.31 × 15,953.28
  4. Step 4: Simplify right side
    29,382.29x = 646,862,589.68
  5. Step 5: Solve for x
    x = 646,862,589.68/29,382.29
  6. Step 6: Final answer
    x = 22,015.39

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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.