Home / 25,107.13-34,646.67-13,776.37

Finding the Fourth Proportional to 25,107.13, 34,646.67 and 13,776.37

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Solution

The fourth proportional to 25,107.13, 34,646.67 and 13,776.37 is: 19,010.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,107.13 : 34,646.67 = 13,776.37 : x
  2. Step 2: Convert to fraction form
    25,107.13/34,646.67 = 13,776.37/x
  3. Step 3: Cross multiply
    25,107.13x = 34,646.67 × 13,776.37
  4. Step 4: Simplify right side
    25,107.13x = 477,305,345.19
  5. Step 5: Solve for x
    x = 477,305,345.19/25,107.13
  6. Step 6: Final answer
    x = 19,010.75

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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.