Home / 28,580.48-39,441.12-16,005.44

Finding the Fourth Proportional to 28,580.48, 39,441.12 and 16,005.44

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Solution

The fourth proportional to 28,580.48, 39,441.12 and 16,005.44 is: 22,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,580.48 : 39,441.12 = 16,005.44 : x
  2. Step 2: Convert to fraction form
    28,580.48/39,441.12 = 16,005.44/x
  3. Step 3: Cross multiply
    28,580.48x = 39,441.12 × 16,005.44
  4. Step 4: Simplify right side
    28,580.48x = 631,272,479.69
  5. Step 5: Solve for x
    x = 631,272,479.69/28,580.48
  6. Step 6: Final answer
    x = 22,087.54

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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.