Home / 28,287.16-39,036.90-16,351.00

Finding the Fourth Proportional to 28,287.16, 39,036.90 and 16,351.00

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Solution

The fourth proportional to 28,287.16, 39,036.90 and 16,351.00 is: 22,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,287.16 : 39,036.90 = 16,351.00 : x
  2. Step 2: Convert to fraction form
    28,287.16/39,036.90 = 16,351.00/x
  3. Step 3: Cross multiply
    28,287.16x = 39,036.90 × 16,351.00
  4. Step 4: Simplify right side
    28,287.16x = 638,292,315.62
  5. Step 5: Solve for x
    x = 638,292,315.62/28,287.16
  6. Step 6: Final answer
    x = 22,564.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.