Home / 27,588.17-38,069.04-15,485.88

Finding the Fourth Proportional to 27,588.17, 38,069.04 and 15,485.88

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Solution

The fourth proportional to 27,588.17, 38,069.04 and 15,485.88 is: 21,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,588.17 : 38,069.04 = 15,485.88 : x
  2. Step 2: Convert to fraction form
    27,588.17/38,069.04 = 15,485.88/x
  3. Step 3: Cross multiply
    27,588.17x = 38,069.04 × 15,485.88
  4. Step 4: Simplify right side
    27,588.17x = 589,532,528.70
  5. Step 5: Solve for x
    x = 589,532,528.70/27,588.17
  6. Step 6: Final answer
    x = 21,369.04

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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.