Home / 28,427.64-42,641.46-10,897.44

Finding the Fourth Proportional to 28,427.64, 42,641.46 and 10,897.44

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Solution

The fourth proportional to 28,427.64, 42,641.46 and 10,897.44 is: 16,346.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427.64 : 42,641.46 = 10,897.44 : x
  2. Step 2: Convert to fraction form
    28,427.64/42,641.46 = 10,897.44/x
  3. Step 3: Cross multiply
    28,427.64x = 42,641.46 × 10,897.44
  4. Step 4: Simplify right side
    28,427.64x = 464,682,751.86
  5. Step 5: Solve for x
    x = 464,682,751.86/28,427.64
  6. Step 6: Final answer
    x = 16,346.16

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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.