Home / 21,158.06-31,760.16-15,594.16

Finding the Fourth Proportional to 21,158.06, 31,760.16 and 15,594.16

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Solution

The fourth proportional to 21,158.06, 31,760.16 and 15,594.16 is: 23,408.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,158.06 : 31,760.16 = 15,594.16 : x
  2. Step 2: Convert to fraction form
    21,158.06/31,760.16 = 15,594.16/x
  3. Step 3: Cross multiply
    21,158.06x = 31,760.16 × 15,594.16
  4. Step 4: Simplify right side
    21,158.06x = 495,273,016.67
  5. Step 5: Solve for x
    x = 495,273,016.67/21,158.06
  6. Step 6: Final answer
    x = 23,408.24

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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.