Home / 28,464.16-42,697.52-8,741.28

Finding the Fourth Proportional to 28,464.16, 42,697.52 and 8,741.28

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Solution

The fourth proportional to 28,464.16, 42,697.52 and 8,741.28 is: 13,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,464.16 : 42,697.52 = 8,741.28 : x
  2. Step 2: Convert to fraction form
    28,464.16/42,697.52 = 8,741.28/x
  3. Step 3: Cross multiply
    28,464.16x = 42,697.52 × 8,741.28
  4. Step 4: Simplify right side
    28,464.16x = 373,230,977.63
  5. Step 5: Solve for x
    x = 373,230,977.63/28,464.16
  6. Step 6: Final answer
    x = 13,112.31

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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.