Home / 26,670.29-40,019.40-17,308.10

Finding the Fourth Proportional to 26,670.29, 40,019.40 and 17,308.10

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Solution

The fourth proportional to 26,670.29, 40,019.40 and 17,308.10 is: 25,971.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,670.29 : 40,019.40 = 17,308.10 : x
  2. Step 2: Convert to fraction form
    26,670.29/40,019.40 = 17,308.10/x
  3. Step 3: Cross multiply
    26,670.29x = 40,019.40 × 17,308.10
  4. Step 4: Simplify right side
    26,670.29x = 692,659,877.19
  5. Step 5: Solve for x
    x = 692,659,877.19/26,670.29
  6. Step 6: Final answer
    x = 25,971.22

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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.