Home / 27,799.13-38,362.93-15,223.88

Finding the Fourth Proportional to 27,799.13, 38,362.93 and 15,223.88

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Solution

The fourth proportional to 27,799.13, 38,362.93 and 15,223.88 is: 21,009.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,799.13 : 38,362.93 = 15,223.88 : x
  2. Step 2: Convert to fraction form
    27,799.13/38,362.93 = 15,223.88/x
  3. Step 3: Cross multiply
    27,799.13x = 38,362.93 × 15,223.88
  4. Step 4: Simplify right side
    27,799.13x = 584,032,412.89
  5. Step 5: Solve for x
    x = 584,032,412.89/27,799.13
  6. Step 6: Final answer
    x = 21,009.02

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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.