Home / 23,681.57-35,519.51-18,421.83

Finding the Fourth Proportional to 23,681.57, 35,519.51 and 18,421.83

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Solution

The fourth proportional to 23,681.57, 35,519.51 and 18,421.83 is: 27,630.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.57 : 35,519.51 = 18,421.83 : x
  2. Step 2: Convert to fraction form
    23,681.57/35,519.51 = 18,421.83/x
  3. Step 3: Cross multiply
    23,681.57x = 35,519.51 × 18,421.83
  4. Step 4: Simplify right side
    23,681.57x = 654,334,420.96
  5. Step 5: Solve for x
    x = 654,334,420.96/23,681.57
  6. Step 6: Final answer
    x = 27,630.54

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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.