Home / 28,994.31-43,501.83-17,888.07

Finding the Fourth Proportional to 28,994.31, 43,501.83 and 17,888.07

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Solution

The fourth proportional to 28,994.31, 43,501.83 and 17,888.07 is: 26,838.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,994.31 : 43,501.83 = 17,888.07 : x
  2. Step 2: Convert to fraction form
    28,994.31/43,501.83 = 17,888.07/x
  3. Step 3: Cross multiply
    28,994.31x = 43,501.83 × 17,888.07
  4. Step 4: Simplify right side
    28,994.31x = 778,163,780.17
  5. Step 5: Solve for x
    x = 778,163,780.17/28,994.31
  6. Step 6: Final answer
    x = 26,838.50

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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.