Home / 28,904.56-43,335.81-19,521.32

Finding the Fourth Proportional to 28,904.56, 43,335.81 and 19,521.32

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Solution

The fourth proportional to 28,904.56, 43,335.81 and 19,521.32 is: 29,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,904.56 : 43,335.81 = 19,521.32 : x
  2. Step 2: Convert to fraction form
    28,904.56/43,335.81 = 19,521.32/x
  3. Step 3: Cross multiply
    28,904.56x = 43,335.81 × 19,521.32
  4. Step 4: Simplify right side
    28,904.56x = 845,971,997.79
  5. Step 5: Solve for x
    x = 845,971,997.79/28,904.56
  6. Step 6: Final answer
    x = 29,267.77

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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.