Home / 27,942.84-38,561.04-15,367.50

Finding the Fourth Proportional to 27,942.84, 38,561.04 and 15,367.50

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Solution

The fourth proportional to 27,942.84, 38,561.04 and 15,367.50 is: 21,207.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.84 : 38,561.04 = 15,367.50 : x
  2. Step 2: Convert to fraction form
    27,942.84/38,561.04 = 15,367.50/x
  3. Step 3: Cross multiply
    27,942.84x = 38,561.04 × 15,367.50
  4. Step 4: Simplify right side
    27,942.84x = 592,586,782.20
  5. Step 5: Solve for x
    x = 592,586,782.20/27,942.84
  6. Step 6: Final answer
    x = 21,207.11

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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.