Home / 52,829.36-72,904.64-28,956.92

Finding the Fourth Proportional to 52,829.36, 72,904.64 and 28,956.92

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Solution

The fourth proportional to 52,829.36, 72,904.64 and 28,956.92 is: 39,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,829.36 : 72,904.64 = 28,956.92 : x
  2. Step 2: Convert to fraction form
    52,829.36/72,904.64 = 28,956.92/x
  3. Step 3: Cross multiply
    52,829.36x = 72,904.64 × 28,956.92
  4. Step 4: Simplify right side
    52,829.36x = 2,111,093,828.11
  5. Step 5: Solve for x
    x = 2,111,093,828.11/52,829.36
  6. Step 6: Final answer
    x = 39,960.62

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Why These Related Problems?

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