Home / 28,426.51-42,645.93-10,896.36

Finding the Fourth Proportional to 28,426.51, 42,645.93 and 10,896.36

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Solution

The fourth proportional to 28,426.51, 42,645.93 and 10,896.36 is: 16,346.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,426.51 : 42,645.93 = 10,896.36 : x
  2. Step 2: Convert to fraction form
    28,426.51/42,645.93 = 10,896.36/x
  3. Step 3: Cross multiply
    28,426.51x = 42,645.93 × 10,896.36
  4. Step 4: Simplify right side
    28,426.51x = 464,685,405.81
  5. Step 5: Solve for x
    x = 464,685,405.81/28,426.51
  6. Step 6: Final answer
    x = 16,346.90

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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.