Home / 27,888.80-38,472.28-17,806.64

Finding the Fourth Proportional to 27,888.80, 38,472.28 and 17,806.64

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Solution

The fourth proportional to 27,888.80, 38,472.28 and 17,806.64 is: 24,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,888.80 : 38,472.28 = 17,806.64 : x
  2. Step 2: Convert to fraction form
    27,888.80/38,472.28 = 17,806.64/x
  3. Step 3: Cross multiply
    27,888.80x = 38,472.28 × 17,806.64
  4. Step 4: Simplify right side
    27,888.80x = 685,061,803.06
  5. Step 5: Solve for x
    x = 685,061,803.06/27,888.80
  6. Step 6: Final answer
    x = 24,564.05

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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.