Home / 28,362.48-42,543.72-10,834.08

Finding the Fourth Proportional to 28,362.48, 42,543.72 and 10,834.08

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Solution

The fourth proportional to 28,362.48, 42,543.72 and 10,834.08 is: 16,251.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.48 : 42,543.72 = 10,834.08 : x
  2. Step 2: Convert to fraction form
    28,362.48/42,543.72 = 10,834.08/x
  3. Step 3: Cross multiply
    28,362.48x = 42,543.72 × 10,834.08
  4. Step 4: Simplify right side
    28,362.48x = 460,922,065.98
  5. Step 5: Solve for x
    x = 460,922,065.98/28,362.48
  6. Step 6: Final answer
    x = 16,251.12

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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.