Home / 28,288.32-42,416.25-11,659.83

Finding the Fourth Proportional to 28,288.32, 42,416.25 and 11,659.83

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Solution

The fourth proportional to 28,288.32, 42,416.25 and 11,659.83 is: 17,483.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,288.32 : 42,416.25 = 11,659.83 : x
  2. Step 2: Convert to fraction form
    28,288.32/42,416.25 = 11,659.83/x
  3. Step 3: Cross multiply
    28,288.32x = 42,416.25 × 11,659.83
  4. Step 4: Simplify right side
    28,288.32x = 494,566,264.24
  5. Step 5: Solve for x
    x = 494,566,264.24/28,288.32
  6. Step 6: Final answer
    x = 17,483.06

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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.