Home / 27,816.45-38,386.44-15,069.34

Finding the Fourth Proportional to 27,816.45, 38,386.44 and 15,069.34

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Solution

The fourth proportional to 27,816.45, 38,386.44 and 15,069.34 is: 20,795.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,816.45 : 38,386.44 = 15,069.34 : x
  2. Step 2: Convert to fraction form
    27,816.45/38,386.44 = 15,069.34/x
  3. Step 3: Cross multiply
    27,816.45x = 38,386.44 × 15,069.34
  4. Step 4: Simplify right side
    27,816.45x = 578,458,315.75
  5. Step 5: Solve for x
    x = 578,458,315.75/27,816.45
  6. Step 6: Final answer
    x = 20,795.55

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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.