Home / 17,657.06-24,342.93-15,128.24

Finding the Fourth Proportional to 17,657.06, 24,342.93 and 15,128.24

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Solution

The fourth proportional to 17,657.06, 24,342.93 and 15,128.24 is: 20,856.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.06 : 24,342.93 = 15,128.24 : x
  2. Step 2: Convert to fraction form
    17,657.06/24,342.93 = 15,128.24/x
  3. Step 3: Cross multiply
    17,657.06x = 24,342.93 × 15,128.24
  4. Step 4: Simplify right side
    17,657.06x = 368,265,565.63
  5. Step 5: Solve for x
    x = 368,265,565.63/17,657.06
  6. Step 6: Final answer
    x = 20,856.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.