Home / 27,692.42-38,206.04-15,591.02

Finding the Fourth Proportional to 27,692.42, 38,206.04 and 15,591.02

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Solution

The fourth proportional to 27,692.42, 38,206.04 and 15,591.02 is: 21,510.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,692.42 : 38,206.04 = 15,591.02 : x
  2. Step 2: Convert to fraction form
    27,692.42/38,206.04 = 15,591.02/x
  3. Step 3: Cross multiply
    27,692.42x = 38,206.04 × 15,591.02
  4. Step 4: Simplify right side
    27,692.42x = 595,671,151.32
  5. Step 5: Solve for x
    x = 595,671,151.32/27,692.42
  6. Step 6: Final answer
    x = 21,510.26

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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.