Home / 28,327.42-39,094.90-17,720.47

Finding the Fourth Proportional to 28,327.42, 39,094.90 and 17,720.47

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Solution

The fourth proportional to 28,327.42, 39,094.90 and 17,720.47 is: 24,456.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.42 : 39,094.90 = 17,720.47 : x
  2. Step 2: Convert to fraction form
    28,327.42/39,094.90 = 17,720.47/x
  3. Step 3: Cross multiply
    28,327.42x = 39,094.90 × 17,720.47
  4. Step 4: Simplify right side
    28,327.42x = 692,780,106.85
  5. Step 5: Solve for x
    x = 692,780,106.85/28,327.42
  6. Step 6: Final answer
    x = 24,456.17

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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.