Home / 27,792.36-38,354.10-15,218.04

Finding the Fourth Proportional to 27,792.36, 38,354.10 and 15,218.04

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Solution

The fourth proportional to 27,792.36, 38,354.10 and 15,218.04 is: 21,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,792.36 : 38,354.10 = 15,218.04 : x
  2. Step 2: Convert to fraction form
    27,792.36/38,354.10 = 15,218.04/x
  3. Step 3: Cross multiply
    27,792.36x = 38,354.10 × 15,218.04
  4. Step 4: Simplify right side
    27,792.36x = 583,674,227.96
  5. Step 5: Solve for x
    x = 583,674,227.96/27,792.36
  6. Step 6: Final answer
    x = 21,001.25

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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.