Home / 28,580.37-42,864.07-10,112.37

Finding the Fourth Proportional to 28,580.37, 42,864.07 and 10,112.37

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Solution

The fourth proportional to 28,580.37, 42,864.07 and 10,112.37 is: 15,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.37 : 42,864.07 = 10,112.37 : x
  2. Step 2: Convert to fraction form
    28,580.37/42,864.07 = 10,112.37/x
  3. Step 3: Cross multiply
    28,580.37x = 42,864.07 × 10,112.37
  4. Step 4: Simplify right side
    28,580.37x = 433,457,070.66
  5. Step 5: Solve for x
    x = 433,457,070.66/28,580.37
  6. Step 6: Final answer
    x = 15,166.25

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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.