Home / 65,721.72-98,588.04-26,257.32

Finding the Fourth Proportional to 65,721.72, 98,588.04 and 26,257.32

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Solution

The fourth proportional to 65,721.72, 98,588.04 and 26,257.32 is: 39,388.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,721.72 : 98,588.04 = 26,257.32 : x
  2. Step 2: Convert to fraction form
    65,721.72/98,588.04 = 26,257.32/x
  3. Step 3: Cross multiply
    65,721.72x = 98,588.04 × 26,257.32
  4. Step 4: Simplify right side
    65,721.72x = 2,588,657,714.45
  5. Step 5: Solve for x
    x = 2,588,657,714.45/65,721.72
  6. Step 6: Final answer
    x = 39,388.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.