Home / 22,659.30-31,257.23-21,055.64

Finding the Fourth Proportional to 22,659.30, 31,257.23 and 21,055.64

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Solution

The fourth proportional to 22,659.30, 31,257.23 and 21,055.64 is: 29,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,659.30 : 31,257.23 = 21,055.64 : x
  2. Step 2: Convert to fraction form
    22,659.30/31,257.23 = 21,055.64/x
  3. Step 3: Cross multiply
    22,659.30x = 31,257.23 × 21,055.64
  4. Step 4: Simplify right side
    22,659.30x = 658,140,982.28
  5. Step 5: Solve for x
    x = 658,140,982.28/22,659.30
  6. Step 6: Final answer
    x = 29,045.08

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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.