Home / 28,451.48-39,263.01-16,515.32

Finding the Fourth Proportional to 28,451.48, 39,263.01 and 16,515.32

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Solution

The fourth proportional to 28,451.48, 39,263.01 and 16,515.32 is: 22,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,451.48 : 39,263.01 = 16,515.32 : x
  2. Step 2: Convert to fraction form
    28,451.48/39,263.01 = 16,515.32/x
  3. Step 3: Cross multiply
    28,451.48x = 39,263.01 × 16,515.32
  4. Step 4: Simplify right side
    28,451.48x = 648,441,174.31
  5. Step 5: Solve for x
    x = 648,441,174.31/28,451.48
  6. Step 6: Final answer
    x = 22,791.12

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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.