Home / 28,111.37-38,799.10-18,052.52

Finding the Fourth Proportional to 28,111.37, 38,799.10 and 18,052.52

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Solution

The fourth proportional to 28,111.37, 38,799.10 and 18,052.52 is: 24,915.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,111.37 : 38,799.10 = 18,052.52 : x
  2. Step 2: Convert to fraction form
    28,111.37/38,799.10 = 18,052.52/x
  3. Step 3: Cross multiply
    28,111.37x = 38,799.10 × 18,052.52
  4. Step 4: Simplify right side
    28,111.37x = 700,421,244.47
  5. Step 5: Solve for x
    x = 700,421,244.47/28,111.37
  6. Step 6: Final answer
    x = 24,915.95

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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.