Home / 28,445.69-39,246.96-17,109.52

Finding the Fourth Proportional to 28,445.69, 39,246.96 and 17,109.52

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Solution

The fourth proportional to 28,445.69, 39,246.96 and 17,109.52 is: 23,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,445.69 : 39,246.96 = 17,109.52 : x
  2. Step 2: Convert to fraction form
    28,445.69/39,246.96 = 17,109.52/x
  3. Step 3: Cross multiply
    28,445.69x = 39,246.96 × 17,109.52
  4. Step 4: Simplify right side
    28,445.69x = 671,496,613.10
  5. Step 5: Solve for x
    x = 671,496,613.10/28,445.69
  6. Step 6: Final answer
    x = 23,606.27

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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.