Home / 23,421.74-32,325.08-13,347.87

Finding the Fourth Proportional to 23,421.74, 32,325.08 and 13,347.87

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Solution

The fourth proportional to 23,421.74, 32,325.08 and 13,347.87 is: 18,421.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.74 : 32,325.08 = 13,347.87 : x
  2. Step 2: Convert to fraction form
    23,421.74/32,325.08 = 13,347.87/x
  3. Step 3: Cross multiply
    23,421.74x = 32,325.08 × 13,347.87
  4. Step 4: Simplify right side
    23,421.74x = 431,470,777.62
  5. Step 5: Solve for x
    x = 431,470,777.62/23,421.74
  6. Step 6: Final answer
    x = 18,421.81

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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.