Home / 25,456.80-35,137.08-14,282.40

Finding the Fourth Proportional to 25,456.80, 35,137.08 and 14,282.40

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Solution

The fourth proportional to 25,456.80, 35,137.08 and 14,282.40 is: 19,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.80 : 35,137.08 = 14,282.40 : x
  2. Step 2: Convert to fraction form
    25,456.80/35,137.08 = 14,282.40/x
  3. Step 3: Cross multiply
    25,456.80x = 35,137.08 × 14,282.40
  4. Step 4: Simplify right side
    25,456.80x = 501,841,831.39
  5. Step 5: Solve for x
    x = 501,841,831.39/25,456.80
  6. Step 6: Final answer
    x = 19,713.47

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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.