Home / 22,945.44-31,675.83-15,389.01

Finding the Fourth Proportional to 22,945.44, 31,675.83 and 15,389.01

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Solution

The fourth proportional to 22,945.44, 31,675.83 and 15,389.01 is: 21,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.44 : 31,675.83 = 15,389.01 : x
  2. Step 2: Convert to fraction form
    22,945.44/31,675.83 = 15,389.01/x
  3. Step 3: Cross multiply
    22,945.44x = 31,675.83 × 15,389.01
  4. Step 4: Simplify right side
    22,945.44x = 487,459,664.63
  5. Step 5: Solve for x
    x = 487,459,664.63/22,945.44
  6. Step 6: Final answer
    x = 21,244.29

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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.