Home / 21,881.25-32,798.30-10,612.73

Finding the Fourth Proportional to 21,881.25, 32,798.30 and 10,612.73

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Solution

The fourth proportional to 21,881.25, 32,798.30 and 10,612.73 is: 15,907.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,881.25 : 32,798.30 = 10,612.73 : x
  2. Step 2: Convert to fraction form
    21,881.25/32,798.30 = 10,612.73/x
  3. Step 3: Cross multiply
    21,881.25x = 32,798.30 × 10,612.73
  4. Step 4: Simplify right side
    21,881.25x = 348,079,502.36
  5. Step 5: Solve for x
    x = 348,079,502.36/21,881.25
  6. Step 6: Final answer
    x = 15,907.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.