Home / 27,707.90-38,235.33-16,378.45

Finding the Fourth Proportional to 27,707.90, 38,235.33 and 16,378.45

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Solution

The fourth proportional to 27,707.90, 38,235.33 and 16,378.45 is: 22,601.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.90 : 38,235.33 = 16,378.45 : x
  2. Step 2: Convert to fraction form
    27,707.90/38,235.33 = 16,378.45/x
  3. Step 3: Cross multiply
    27,707.90x = 38,235.33 × 16,378.45
  4. Step 4: Simplify right side
    27,707.90x = 626,235,345.05
  5. Step 5: Solve for x
    x = 626,235,345.05/27,707.90
  6. Step 6: Final answer
    x = 22,601.33

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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.