Home / 25,345.56-34,979.41-14,015.90

Finding the Fourth Proportional to 25,345.56, 34,979.41 and 14,015.90

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Solution

The fourth proportional to 25,345.56, 34,979.41 and 14,015.90 is: 19,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.56 : 34,979.41 = 14,015.90 : x
  2. Step 2: Convert to fraction form
    25,345.56/34,979.41 = 14,015.90/x
  3. Step 3: Cross multiply
    25,345.56x = 34,979.41 × 14,015.90
  4. Step 4: Simplify right side
    25,345.56x = 490,268,017.59
  5. Step 5: Solve for x
    x = 490,268,017.59/25,345.56
  6. Step 6: Final answer
    x = 19,343.35

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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.