Home / 24,728.67-34,106.74-21,285.12

Finding the Fourth Proportional to 24,728.67, 34,106.74 and 21,285.12

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Solution

The fourth proportional to 24,728.67, 34,106.74 and 21,285.12 is: 29,357.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,728.67 : 34,106.74 = 21,285.12 : x
  2. Step 2: Convert to fraction form
    24,728.67/34,106.74 = 21,285.12/x
  3. Step 3: Cross multiply
    24,728.67x = 34,106.74 × 21,285.12
  4. Step 4: Simplify right side
    24,728.67x = 725,966,053.71
  5. Step 5: Solve for x
    x = 725,966,053.71/24,728.67
  6. Step 6: Final answer
    x = 29,357.26

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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.