Home / 28,897.09-43,358.16-10,190.50

Finding the Fourth Proportional to 28,897.09, 43,358.16 and 10,190.50

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Solution

The fourth proportional to 28,897.09, 43,358.16 and 10,190.50 is: 15,290.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,897.09 : 43,358.16 = 10,190.50 : x
  2. Step 2: Convert to fraction form
    28,897.09/43,358.16 = 10,190.50/x
  3. Step 3: Cross multiply
    28,897.09x = 43,358.16 × 10,190.50
  4. Step 4: Simplify right side
    28,897.09x = 441,841,112.69
  5. Step 5: Solve for x
    x = 441,841,112.69/28,897.09
  6. Step 6: Final answer
    x = 15,290.16

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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.