Home / 25,521.56-35,219.76-14,345.72

Finding the Fourth Proportional to 25,521.56, 35,219.76 and 14,345.72

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Solution

The fourth proportional to 25,521.56, 35,219.76 and 14,345.72 is: 19,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,521.56 : 35,219.76 = 14,345.72 : x
  2. Step 2: Convert to fraction form
    25,521.56/35,219.76 = 14,345.72/x
  3. Step 3: Cross multiply
    25,521.56x = 35,219.76 × 14,345.72
  4. Step 4: Simplify right side
    25,521.56x = 505,252,815.43
  5. Step 5: Solve for x
    x = 505,252,815.43/25,521.56
  6. Step 6: Final answer
    x = 19,797.10

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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.