Home / 28,287.09-42,430.73-9,562.14

Finding the Fourth Proportional to 28,287.09, 42,430.73 and 9,562.14

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Solution

The fourth proportional to 28,287.09, 42,430.73 and 9,562.14 is: 14,343.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287.09 : 42,430.73 = 9,562.14 : x
  2. Step 2: Convert to fraction form
    28,287.09/42,430.73 = 9,562.14/x
  3. Step 3: Cross multiply
    28,287.09x = 42,430.73 × 9,562.14
  4. Step 4: Simplify right side
    28,287.09x = 405,728,532.75
  5. Step 5: Solve for x
    x = 405,728,532.75/28,287.09
  6. Step 6: Final answer
    x = 14,343.24

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1.5x scale

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.