Home / 38,727.03-53,444.10-21,732.50

Finding the Fourth Proportional to 38,727.03, 53,444.10 and 21,732.50

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Solution

The fourth proportional to 38,727.03, 53,444.10 and 21,732.50 is: 29,991.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,727.03 : 53,444.10 = 21,732.50 : x
  2. Step 2: Convert to fraction form
    38,727.03/53,444.10 = 21,732.50/x
  3. Step 3: Cross multiply
    38,727.03x = 53,444.10 × 21,732.50
  4. Step 4: Simplify right side
    38,727.03x = 1,161,473,636.03
  5. Step 5: Solve for x
    x = 1,161,473,636.03/38,727.03
  6. Step 6: Final answer
    x = 29,991.29

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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.