Home / 25,187.43-37,781.21-12,036.81

Finding the Fourth Proportional to 25,187.43, 37,781.21 and 12,036.81

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Solution

The fourth proportional to 25,187.43, 37,781.21 and 12,036.81 is: 18,055.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.43 : 37,781.21 = 12,036.81 : x
  2. Step 2: Convert to fraction form
    25,187.43/37,781.21 = 12,036.81/x
  3. Step 3: Cross multiply
    25,187.43x = 37,781.21 × 12,036.81
  4. Step 4: Simplify right side
    25,187.43x = 454,765,246.34
  5. Step 5: Solve for x
    x = 454,765,246.34/25,187.43
  6. Step 6: Final answer
    x = 18,055.25

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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.