Home / 28,971.84-43,457.40-9,250.14

Finding the Fourth Proportional to 28,971.84, 43,457.40 and 9,250.14

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Solution

The fourth proportional to 28,971.84, 43,457.40 and 9,250.14 is: 13,875.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971.84 : 43,457.40 = 9,250.14 : x
  2. Step 2: Convert to fraction form
    28,971.84/43,457.40 = 9,250.14/x
  3. Step 3: Cross multiply
    28,971.84x = 43,457.40 × 9,250.14
  4. Step 4: Simplify right side
    28,971.84x = 401,987,034.04
  5. Step 5: Solve for x
    x = 401,987,034.04/28,971.84
  6. Step 6: Final answer
    x = 13,875.10

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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.