Home / 28,317.46-39,062.64-17,703.22

Finding the Fourth Proportional to 28,317.46, 39,062.64 and 17,703.22

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Solution

The fourth proportional to 28,317.46, 39,062.64 and 17,703.22 is: 24,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,317.46 : 39,062.64 = 17,703.22 : x
  2. Step 2: Convert to fraction form
    28,317.46/39,062.64 = 17,703.22/x
  3. Step 3: Cross multiply
    28,317.46x = 39,062.64 × 17,703.22
  4. Step 4: Simplify right side
    28,317.46x = 691,534,509.70
  5. Step 5: Solve for x
    x = 691,534,509.70/28,317.46
  6. Step 6: Final answer
    x = 24,420.78

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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.