Home / 27,503.06-37,971.42-18,904.07

Finding the Fourth Proportional to 27,503.06, 37,971.42 and 18,904.07

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Solution

The fourth proportional to 27,503.06, 37,971.42 and 18,904.07 is: 26,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,503.06 : 37,971.42 = 18,904.07 : x
  2. Step 2: Convert to fraction form
    27,503.06/37,971.42 = 18,904.07/x
  3. Step 3: Cross multiply
    27,503.06x = 37,971.42 × 18,904.07
  4. Step 4: Simplify right side
    27,503.06x = 717,814,381.68
  5. Step 5: Solve for x
    x = 717,814,381.68/27,503.06
  6. Step 6: Final answer
    x = 26,099.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.