Home / 28,018.44-42,033.06-10,487.88

Finding the Fourth Proportional to 28,018.44, 42,033.06 and 10,487.88

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Solution

The fourth proportional to 28,018.44, 42,033.06 and 10,487.88 is: 15,733.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,018.44 : 42,033.06 = 10,487.88 : x
  2. Step 2: Convert to fraction form
    28,018.44/42,033.06 = 10,487.88/x
  3. Step 3: Cross multiply
    28,018.44x = 42,033.06 × 10,487.88
  4. Step 4: Simplify right side
    28,018.44x = 440,837,689.31
  5. Step 5: Solve for x
    x = 440,837,689.31/28,018.44
  6. Step 6: Final answer
    x = 15,733.84

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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.