Home / 18,225.36-27,290.74-15,609.68

Finding the Fourth Proportional to 18,225.36, 27,290.74 and 15,609.68

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Solution

The fourth proportional to 18,225.36, 27,290.74 and 15,609.68 is: 23,374.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.36 : 27,290.74 = 15,609.68 : x
  2. Step 2: Convert to fraction form
    18,225.36/27,290.74 = 15,609.68/x
  3. Step 3: Cross multiply
    18,225.36x = 27,290.74 × 15,609.68
  4. Step 4: Simplify right side
    18,225.36x = 425,999,581.91
  5. Step 5: Solve for x
    x = 425,999,581.91/18,225.36
  6. Step 6: Final answer
    x = 23,374.01

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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.