Home / 27,817.26-38,386.89-16,486.86

Finding the Fourth Proportional to 27,817.26, 38,386.89 and 16,486.86

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Solution

The fourth proportional to 27,817.26, 38,386.89 and 16,486.86 is: 22,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,817.26 : 38,386.89 = 16,486.86 : x
  2. Step 2: Convert to fraction form
    27,817.26/38,386.89 = 16,486.86/x
  3. Step 3: Cross multiply
    27,817.26x = 38,386.89 × 16,486.86
  4. Step 4: Simplify right side
    27,817.26x = 632,879,281.27
  5. Step 5: Solve for x
    x = 632,879,281.27/27,817.26
  6. Step 6: Final answer
    x = 22,751.32

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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.