Home / 22,326.24-30,810.60-12,895.20

Finding the Fourth Proportional to 22,326.24, 30,810.60 and 12,895.20

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Solution

The fourth proportional to 22,326.24, 30,810.60 and 12,895.20 is: 17,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,326.24 : 30,810.60 = 12,895.20 : x
  2. Step 2: Convert to fraction form
    22,326.24/30,810.60 = 12,895.20/x
  3. Step 3: Cross multiply
    22,326.24x = 30,810.60 × 12,895.20
  4. Step 4: Simplify right side
    22,326.24x = 397,308,849.12
  5. Step 5: Solve for x
    x = 397,308,849.12/22,326.24
  6. Step 6: Final answer
    x = 17,795.60

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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.