Home / 38,261.04-52,805.16-21,497.28

Finding the Fourth Proportional to 38,261.04, 52,805.16 and 21,497.28

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Solution

The fourth proportional to 38,261.04, 52,805.16 and 21,497.28 is: 29,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,261.04 : 52,805.16 = 21,497.28 : x
  2. Step 2: Convert to fraction form
    38,261.04/52,805.16 = 21,497.28/x
  3. Step 3: Cross multiply
    38,261.04x = 52,805.16 × 21,497.28
  4. Step 4: Simplify right side
    38,261.04x = 1,135,167,309.96
  5. Step 5: Solve for x
    x = 1,135,167,309.96/38,261.04
  6. Step 6: Final answer
    x = 29,669.01

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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.