Home / 22,728.57-31,365.41-13,298.95

Finding the Fourth Proportional to 22,728.57, 31,365.41 and 13,298.95

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Solution

The fourth proportional to 22,728.57, 31,365.41 and 13,298.95 is: 18,352.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.57 : 31,365.41 = 13,298.95 : x
  2. Step 2: Convert to fraction form
    22,728.57/31,365.41 = 13,298.95/x
  3. Step 3: Cross multiply
    22,728.57x = 31,365.41 × 13,298.95
  4. Step 4: Simplify right side
    22,728.57x = 417,127,019.32
  5. Step 5: Solve for x
    x = 417,127,019.32/22,728.57
  6. Step 6: Final answer
    x = 18,352.54

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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.