Home / 25,456.84-35,130.63-14,126.38

Finding the Fourth Proportional to 25,456.84, 35,130.63 and 14,126.38

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Solution

The fourth proportional to 25,456.84, 35,130.63 and 14,126.38 is: 19,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,456.84 : 35,130.63 = 14,126.38 : x
  2. Step 2: Convert to fraction form
    25,456.84/35,130.63 = 14,126.38/x
  3. Step 3: Cross multiply
    25,456.84x = 35,130.63 × 14,126.38
  4. Step 4: Simplify right side
    25,456.84x = 496,268,629.02
  5. Step 5: Solve for x
    x = 496,268,629.02/25,456.84
  6. Step 6: Final answer
    x = 19,494.51

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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.