Home / 23,315.60-32,175.47-12,705.21

Finding the Fourth Proportional to 23,315.60, 32,175.47 and 12,705.21

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Solution

The fourth proportional to 23,315.60, 32,175.47 and 12,705.21 is: 17,533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,315.60 : 32,175.47 = 12,705.21 : x
  2. Step 2: Convert to fraction form
    23,315.60/32,175.47 = 12,705.21/x
  3. Step 3: Cross multiply
    23,315.60x = 32,175.47 × 12,705.21
  4. Step 4: Simplify right side
    23,315.60x = 408,796,039.67
  5. Step 5: Solve for x
    x = 408,796,039.67/23,315.60
  6. Step 6: Final answer
    x = 17,533.16

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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.