Home / 25,315.27-34,934.96-13,984.77

Finding the Fourth Proportional to 25,315.27, 34,934.96 and 13,984.77

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Solution

The fourth proportional to 25,315.27, 34,934.96 and 13,984.77 is: 19,298.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.27 : 34,934.96 = 13,984.77 : x
  2. Step 2: Convert to fraction form
    25,315.27/34,934.96 = 13,984.77/x
  3. Step 3: Cross multiply
    25,315.27x = 34,934.96 × 13,984.77
  4. Step 4: Simplify right side
    25,315.27x = 488,557,201.46
  5. Step 5: Solve for x
    x = 488,557,201.46/25,315.27
  6. Step 6: Final answer
    x = 19,298.92

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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.