Home / 28,110.87-38,798.41-18,052.02

Finding the Fourth Proportional to 28,110.87, 38,798.41 and 18,052.02

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Solution

The fourth proportional to 28,110.87, 38,798.41 and 18,052.02 is: 24,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.87 : 38,798.41 = 18,052.02 : x
  2. Step 2: Convert to fraction form
    28,110.87/38,798.41 = 18,052.02/x
  3. Step 3: Cross multiply
    28,110.87x = 38,798.41 × 18,052.02
  4. Step 4: Simplify right side
    28,110.87x = 700,389,389.04
  5. Step 5: Solve for x
    x = 700,389,389.04/28,110.87
  6. Step 6: Final answer
    x = 24,915.26

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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.