Home / 22,986.99-31,725.74-21,486.16

Finding the Fourth Proportional to 22,986.99, 31,725.74 and 21,486.16

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Solution

The fourth proportional to 22,986.99, 31,725.74 and 21,486.16 is: 29,654.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,986.99 : 31,725.74 = 21,486.16 : x
  2. Step 2: Convert to fraction form
    22,986.99/31,725.74 = 21,486.16/x
  3. Step 3: Cross multiply
    22,986.99x = 31,725.74 × 21,486.16
  4. Step 4: Simplify right side
    22,986.99x = 681,664,325.76
  5. Step 5: Solve for x
    x = 681,664,325.76/22,986.99
  6. Step 6: Final answer
    x = 29,654.35

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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.