Home / 17,800.38-26,699.64-5,320.51

Finding the Fourth Proportional to 17,800.38, 26,699.64 and 5,320.51

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Solution

The fourth proportional to 17,800.38, 26,699.64 and 5,320.51 is: 7,980.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.38 : 26,699.64 = 5,320.51 : x
  2. Step 2: Convert to fraction form
    17,800.38/26,699.64 = 5,320.51/x
  3. Step 3: Cross multiply
    17,800.38x = 26,699.64 × 5,320.51
  4. Step 4: Simplify right side
    17,800.38x = 142,055,701.62
  5. Step 5: Solve for x
    x = 142,055,701.62/17,800.38
  6. Step 6: Final answer
    x = 7,980.49

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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.