Home / 19,370.36-26,731.97-15,171.32

Finding the Fourth Proportional to 19,370.36, 26,731.97 and 15,171.32

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Solution

The fourth proportional to 19,370.36, 26,731.97 and 15,171.32 is: 20,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,370.36 : 26,731.97 = 15,171.32 : x
  2. Step 2: Convert to fraction form
    19,370.36/26,731.97 = 15,171.32/x
  3. Step 3: Cross multiply
    19,370.36x = 26,731.97 × 15,171.32
  4. Step 4: Simplify right side
    19,370.36x = 405,559,061.58
  5. Step 5: Solve for x
    x = 405,559,061.58/19,370.36
  6. Step 6: Final answer
    x = 20,937.10

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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.