Home / 22,941.83-31,659.74-13,388.28

Finding the Fourth Proportional to 22,941.83, 31,659.74 and 13,388.28

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Solution

The fourth proportional to 22,941.83, 31,659.74 and 13,388.28 is: 18,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,941.83 : 31,659.74 = 13,388.28 : x
  2. Step 2: Convert to fraction form
    22,941.83/31,659.74 = 13,388.28/x
  3. Step 3: Cross multiply
    22,941.83x = 31,659.74 × 13,388.28
  4. Step 4: Simplify right side
    22,941.83x = 423,869,497.32
  5. Step 5: Solve for x
    x = 423,869,497.32/22,941.83
  6. Step 6: Final answer
    x = 18,475.84

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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.