Home / 28,041.21-42,049.52-10,498.74

Finding the Fourth Proportional to 28,041.21, 42,049.52 and 10,498.74

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Solution

The fourth proportional to 28,041.21, 42,049.52 and 10,498.74 is: 15,743.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,041.21 : 42,049.52 = 10,498.74 : x
  2. Step 2: Convert to fraction form
    28,041.21/42,049.52 = 10,498.74/x
  3. Step 3: Cross multiply
    28,041.21x = 42,049.52 × 10,498.74
  4. Step 4: Simplify right side
    28,041.21x = 441,466,977.60
  5. Step 5: Solve for x
    x = 441,466,977.60/28,041.21
  6. Step 6: Final answer
    x = 15,743.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.