Home / 28,492.96-39,317.40-16,556.80

Finding the Fourth Proportional to 28,492.96, 39,317.40 and 16,556.80

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Solution

The fourth proportional to 28,492.96, 39,317.40 and 16,556.80 is: 22,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,492.96 : 39,317.40 = 16,556.80 : x
  2. Step 2: Convert to fraction form
    28,492.96/39,317.40 = 16,556.80/x
  3. Step 3: Cross multiply
    28,492.96x = 39,317.40 × 16,556.80
  4. Step 4: Simplify right side
    28,492.96x = 650,970,328.32
  5. Step 5: Solve for x
    x = 650,970,328.32/28,492.96
  6. Step 6: Final answer
    x = 22,846.71

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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.