Home / 25,421.07-38,142.05-11,182.21

Finding the Fourth Proportional to 25,421.07, 38,142.05 and 11,182.21

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Solution

The fourth proportional to 25,421.07, 38,142.05 and 11,182.21 is: 16,777.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,421.07 : 38,142.05 = 11,182.21 : x
  2. Step 2: Convert to fraction form
    25,421.07/38,142.05 = 11,182.21/x
  3. Step 3: Cross multiply
    25,421.07x = 38,142.05 × 11,182.21
  4. Step 4: Simplify right side
    25,421.07x = 426,512,412.93
  5. Step 5: Solve for x
    x = 426,512,412.93/25,421.07
  6. Step 6: Final answer
    x = 16,777.91

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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.