Home / 25,085.12-34,617.36-13,907.12

Finding the Fourth Proportional to 25,085.12, 34,617.36 and 13,907.12

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Solution

The fourth proportional to 25,085.12, 34,617.36 and 13,907.12 is: 19,191.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,085.12 : 34,617.36 = 13,907.12 : x
  2. Step 2: Convert to fraction form
    25,085.12/34,617.36 = 13,907.12/x
  3. Step 3: Cross multiply
    25,085.12x = 34,617.36 × 13,907.12
  4. Step 4: Simplify right side
    25,085.12x = 481,427,779.60
  5. Step 5: Solve for x
    x = 481,427,779.60/25,085.12
  6. Step 6: Final answer
    x = 19,191.77

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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.