Home / 25,280.21-34,886.10-13,950.77

Finding the Fourth Proportional to 25,280.21, 34,886.10 and 13,950.77

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Solution

The fourth proportional to 25,280.21, 34,886.10 and 13,950.77 is: 19,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.21 : 34,886.10 = 13,950.77 : x
  2. Step 2: Convert to fraction form
    25,280.21/34,886.10 = 13,950.77/x
  3. Step 3: Cross multiply
    25,280.21x = 34,886.10 × 13,950.77
  4. Step 4: Simplify right side
    25,280.21x = 486,687,782.87
  5. Step 5: Solve for x
    x = 486,687,782.87/25,280.21
  6. Step 6: Final answer
    x = 19,251.73

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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.