Home / 28,106.32-42,147.96-10,567.12

Finding the Fourth Proportional to 28,106.32, 42,147.96 and 10,567.12

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Solution

The fourth proportional to 28,106.32, 42,147.96 and 10,567.12 is: 15,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,106.32 : 42,147.96 = 10,567.12 : x
  2. Step 2: Convert to fraction form
    28,106.32/42,147.96 = 10,567.12/x
  3. Step 3: Cross multiply
    28,106.32x = 42,147.96 × 10,567.12
  4. Step 4: Simplify right side
    28,106.32x = 445,382,551.08
  5. Step 5: Solve for x
    x = 445,382,551.08/28,106.32
  6. Step 6: Final answer
    x = 15,846.35

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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.