Home / 25,448.05-35,130.34-16,964.31

Finding the Fourth Proportional to 25,448.05, 35,130.34 and 16,964.31

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Solution

The fourth proportional to 25,448.05, 35,130.34 and 16,964.31 is: 23,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.05 : 35,130.34 = 16,964.31 : x
  2. Step 2: Convert to fraction form
    25,448.05/35,130.34 = 16,964.31/x
  3. Step 3: Cross multiply
    25,448.05x = 35,130.34 × 16,964.31
  4. Step 4: Simplify right side
    25,448.05x = 595,961,978.17
  5. Step 5: Solve for x
    x = 595,961,978.17/25,448.05
  6. Step 6: Final answer
    x = 23,418.77

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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.