Home / 28,463.22-39,281.49-16,530.30

Finding the Fourth Proportional to 28,463.22, 39,281.49 and 16,530.30

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Solution

The fourth proportional to 28,463.22, 39,281.49 and 16,530.30 is: 22,813.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,463.22 : 39,281.49 = 16,530.30 : x
  2. Step 2: Convert to fraction form
    28,463.22/39,281.49 = 16,530.30/x
  3. Step 3: Cross multiply
    28,463.22x = 39,281.49 × 16,530.30
  4. Step 4: Simplify right side
    28,463.22x = 649,334,814.15
  5. Step 5: Solve for x
    x = 649,334,814.15/28,463.22
  6. Step 6: Final answer
    x = 22,813.12

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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.