Home / 28,300.47-42,448.26-9,580.11

Finding the Fourth Proportional to 28,300.47, 42,448.26 and 9,580.11

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Solution

The fourth proportional to 28,300.47, 42,448.26 and 9,580.11 is: 14,369.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,300.47 : 42,448.26 = 9,580.11 : x
  2. Step 2: Convert to fraction form
    28,300.47/42,448.26 = 9,580.11/x
  3. Step 3: Cross multiply
    28,300.47x = 42,448.26 × 9,580.11
  4. Step 4: Simplify right side
    28,300.47x = 406,659,000.11
  5. Step 5: Solve for x
    x = 406,659,000.11/28,300.47
  6. Step 6: Final answer
    x = 14,369.34

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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.