Home / 25,345.10-34,976.03-14,015.09

Finding the Fourth Proportional to 25,345.10, 34,976.03 and 14,015.09

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Solution

The fourth proportional to 25,345.10, 34,976.03 and 14,015.09 is: 19,340.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.10 : 34,976.03 = 14,015.09 : x
  2. Step 2: Convert to fraction form
    25,345.10/34,976.03 = 14,015.09/x
  3. Step 3: Cross multiply
    25,345.10x = 34,976.03 × 14,015.09
  4. Step 4: Simplify right side
    25,345.10x = 490,191,963.34
  5. Step 5: Solve for x
    x = 490,191,963.34/25,345.10
  6. Step 6: Final answer
    x = 19,340.70

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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.