Home / 26,145.81-39,196.81-18,225.09

Finding the Fourth Proportional to 26,145.81, 39,196.81 and 18,225.09

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Solution

The fourth proportional to 26,145.81, 39,196.81 and 18,225.09 is: 27,322.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,145.81 : 39,196.81 = 18,225.09 : x
  2. Step 2: Convert to fraction form
    26,145.81/39,196.81 = 18,225.09/x
  3. Step 3: Cross multiply
    26,145.81x = 39,196.81 × 18,225.09
  4. Step 4: Simplify right side
    26,145.81x = 714,365,389.96
  5. Step 5: Solve for x
    x = 714,365,389.96/26,145.81
  6. Step 6: Final answer
    x = 27,322.37

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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.