Home / 28,788.31-39,713.79-24,802.50

Finding the Fourth Proportional to 28,788.31, 39,713.79 and 24,802.50

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Solution

The fourth proportional to 28,788.31, 39,713.79 and 24,802.50 is: 34,215.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,788.31 : 39,713.79 = 24,802.50 : x
  2. Step 2: Convert to fraction form
    28,788.31/39,713.79 = 24,802.50/x
  3. Step 3: Cross multiply
    28,788.31x = 39,713.79 × 24,802.50
  4. Step 4: Simplify right side
    28,788.31x = 985,001,518.41
  5. Step 5: Solve for x
    x = 985,001,518.41/28,788.31
  6. Step 6: Final answer
    x = 34,215.33

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1.5x scale

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.