Home / 22,428.36-30,727.02-21,587.58

Finding the Fourth Proportional to 22,428.36, 30,727.02 and 21,587.58

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Solution

The fourth proportional to 22,428.36, 30,727.02 and 21,587.58 is: 29,575.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,428.36 : 30,727.02 = 21,587.58 : x
  2. Step 2: Convert to fraction form
    22,428.36/30,727.02 = 21,587.58/x
  3. Step 3: Cross multiply
    22,428.36x = 30,727.02 × 21,587.58
  4. Step 4: Simplify right side
    22,428.36x = 663,322,002.41
  5. Step 5: Solve for x
    x = 663,322,002.41/22,428.36
  6. Step 6: Final answer
    x = 29,575.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.