Home / 28,636.21-39,502.71-16,695.19

Finding the Fourth Proportional to 28,636.21, 39,502.71 and 16,695.19

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Solution

The fourth proportional to 28,636.21, 39,502.71 and 16,695.19 is: 23,030.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,636.21 : 39,502.71 = 16,695.19 : x
  2. Step 2: Convert to fraction form
    28,636.21/39,502.71 = 16,695.19/x
  3. Step 3: Cross multiply
    28,636.21x = 39,502.71 × 16,695.19
  4. Step 4: Simplify right side
    28,636.21x = 659,505,248.96
  5. Step 5: Solve for x
    x = 659,505,248.96/28,636.21
  6. Step 6: Final answer
    x = 23,030.47

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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.