Home / 21,854.02-32,708.13-15,825.19

Finding the Fourth Proportional to 21,854.02, 32,708.13 and 15,825.19

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Solution

The fourth proportional to 21,854.02, 32,708.13 and 15,825.19 is: 23,685.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854.02 : 32,708.13 = 15,825.19 : x
  2. Step 2: Convert to fraction form
    21,854.02/32,708.13 = 15,825.19/x
  3. Step 3: Cross multiply
    21,854.02x = 32,708.13 × 15,825.19
  4. Step 4: Simplify right side
    21,854.02x = 517,612,371.79
  5. Step 5: Solve for x
    x = 517,612,371.79/21,854.02
  6. Step 6: Final answer
    x = 23,685.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.