Home / 27,591.91-38,075.72-15,654.99

Finding the Fourth Proportional to 27,591.91, 38,075.72 and 15,654.99

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Solution

The fourth proportional to 27,591.91, 38,075.72 and 15,654.99 is: 21,603.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,591.91 : 38,075.72 = 15,654.99 : x
  2. Step 2: Convert to fraction form
    27,591.91/38,075.72 = 15,654.99/x
  3. Step 3: Cross multiply
    27,591.91x = 38,075.72 × 15,654.99
  4. Step 4: Simplify right side
    27,591.91x = 596,074,937.57
  5. Step 5: Solve for x
    x = 596,074,937.57/27,591.91
  6. Step 6: Final answer
    x = 21,603.25

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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.