Home / 28,362.56-42,570.09-14,332.43

Finding the Fourth Proportional to 28,362.56, 42,570.09 and 14,332.43

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Solution

The fourth proportional to 28,362.56, 42,570.09 and 14,332.43 is: 21,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.56 : 42,570.09 = 14,332.43 : x
  2. Step 2: Convert to fraction form
    28,362.56/42,570.09 = 14,332.43/x
  3. Step 3: Cross multiply
    28,362.56x = 42,570.09 × 14,332.43
  4. Step 4: Simplify right side
    28,362.56x = 610,132,941.44
  5. Step 5: Solve for x
    x = 610,132,941.44/28,362.56
  6. Step 6: Final answer
    x = 21,511.92

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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.