Home / 22,707.24-31,319.24-15,635.94

Finding the Fourth Proportional to 22,707.24, 31,319.24 and 15,635.94

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Solution

The fourth proportional to 22,707.24, 31,319.24 and 15,635.94 is: 21,566.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,707.24 : 31,319.24 = 15,635.94 : x
  2. Step 2: Convert to fraction form
    22,707.24/31,319.24 = 15,635.94/x
  3. Step 3: Cross multiply
    22,707.24x = 31,319.24 × 15,635.94
  4. Step 4: Simplify right side
    22,707.24x = 489,705,679.31
  5. Step 5: Solve for x
    x = 489,705,679.31/22,707.24
  6. Step 6: Final answer
    x = 21,566.06

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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.