Home / 22,728.34-31,360.32-13,295.08

Finding the Fourth Proportional to 22,728.34, 31,360.32 and 13,295.08

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Solution

The fourth proportional to 22,728.34, 31,360.32 and 13,295.08 is: 18,344.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,728.34 : 31,360.32 = 13,295.08 : x
  2. Step 2: Convert to fraction form
    22,728.34/31,360.32 = 13,295.08/x
  3. Step 3: Cross multiply
    22,728.34x = 31,360.32 × 13,295.08
  4. Step 4: Simplify right side
    22,728.34x = 416,937,963.23
  5. Step 5: Solve for x
    x = 416,937,963.23/22,728.34
  6. Step 6: Final answer
    x = 18,344.41

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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.