Home / 25,747.72-35,528.90-14,415.64

Finding the Fourth Proportional to 25,747.72, 35,528.90 and 14,415.64

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Solution

The fourth proportional to 25,747.72, 35,528.90 and 14,415.64 is: 19,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,747.72 : 35,528.90 = 14,415.64 : x
  2. Step 2: Convert to fraction form
    25,747.72/35,528.90 = 14,415.64/x
  3. Step 3: Cross multiply
    25,747.72x = 35,528.90 × 14,415.64
  4. Step 4: Simplify right side
    25,747.72x = 512,171,832.00
  5. Step 5: Solve for x
    x = 512,171,832.00/25,747.72
  6. Step 6: Final answer
    x = 19,891.93

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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.