Home / 28,099.26-38,776.91-15,524.01

Finding the Fourth Proportional to 28,099.26, 38,776.91 and 15,524.01

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Solution

The fourth proportional to 28,099.26, 38,776.91 and 15,524.01 is: 21,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,099.26 : 38,776.91 = 15,524.01 : x
  2. Step 2: Convert to fraction form
    28,099.26/38,776.91 = 15,524.01/x
  3. Step 3: Cross multiply
    28,099.26x = 38,776.91 × 15,524.01
  4. Step 4: Simplify right side
    28,099.26x = 601,973,060.99
  5. Step 5: Solve for x
    x = 601,973,060.99/28,099.26
  6. Step 6: Final answer
    x = 21,423.09

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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.