Home / 25,415.51-35,086.68-19,737.52

Finding the Fourth Proportional to 25,415.51, 35,086.68 and 19,737.52

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Solution

The fourth proportional to 25,415.51, 35,086.68 and 19,737.52 is: 27,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,415.51 : 35,086.68 = 19,737.52 : x
  2. Step 2: Convert to fraction form
    25,415.51/35,086.68 = 19,737.52/x
  3. Step 3: Cross multiply
    25,415.51x = 35,086.68 × 19,737.52
  4. Step 4: Simplify right side
    25,415.51x = 692,524,048.23
  5. Step 5: Solve for x
    x = 692,524,048.23/25,415.51
  6. Step 6: Final answer
    x = 27,248.09

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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.