Home / 23,438.32-32,345.57-12,828.64

Finding the Fourth Proportional to 23,438.32, 32,345.57 and 12,828.64

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Solution

The fourth proportional to 23,438.32, 32,345.57 and 12,828.64 is: 17,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.32 : 32,345.57 = 12,828.64 : x
  2. Step 2: Convert to fraction form
    23,438.32/32,345.57 = 12,828.64/x
  3. Step 3: Cross multiply
    23,438.32x = 32,345.57 × 12,828.64
  4. Step 4: Simplify right side
    23,438.32x = 414,949,503.81
  5. Step 5: Solve for x
    x = 414,949,503.81/23,438.32
  6. Step 6: Final answer
    x = 17,703.89

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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.