Home / 17,927.40-26,889.19-4,781.10

Finding the Fourth Proportional to 17,927.40, 26,889.19 and 4,781.10

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Solution

The fourth proportional to 17,927.40, 26,889.19 and 4,781.10 is: 7,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,927.40 : 26,889.19 = 4,781.10 : x
  2. Step 2: Convert to fraction form
    17,927.40/26,889.19 = 4,781.10/x
  3. Step 3: Cross multiply
    17,927.40x = 26,889.19 × 4,781.10
  4. Step 4: Simplify right side
    17,927.40x = 128,559,906.31
  5. Step 5: Solve for x
    x = 128,559,906.31/17,927.40
  6. Step 6: Final answer
    x = 7,171.14

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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.