Home / 28,254.64-42,380.08-11,610.36

Finding the Fourth Proportional to 28,254.64, 42,380.08 and 11,610.36

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Solution

The fourth proportional to 28,254.64, 42,380.08 and 11,610.36 is: 17,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,254.64 : 42,380.08 = 11,610.36 : x
  2. Step 2: Convert to fraction form
    28,254.64/42,380.08 = 11,610.36/x
  3. Step 3: Cross multiply
    28,254.64x = 42,380.08 × 11,610.36
  4. Step 4: Simplify right side
    28,254.64x = 492,047,985.63
  5. Step 5: Solve for x
    x = 492,047,985.63/28,254.64
  6. Step 6: Final answer
    x = 17,414.77

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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.