Home / 22,824.38-31,494.75-13,389.50

Finding the Fourth Proportional to 22,824.38, 31,494.75 and 13,389.50

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Solution

The fourth proportional to 22,824.38, 31,494.75 and 13,389.50 is: 18,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,824.38 : 31,494.75 = 13,389.50 : x
  2. Step 2: Convert to fraction form
    22,824.38/31,494.75 = 13,389.50/x
  3. Step 3: Cross multiply
    22,824.38x = 31,494.75 × 13,389.50
  4. Step 4: Simplify right side
    22,824.38x = 421,698,955.13
  5. Step 5: Solve for x
    x = 421,698,955.13/22,824.38
  6. Step 6: Final answer
    x = 18,475.81

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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.