Home / 25,455.51-35,128.82-14,125.77

Finding the Fourth Proportional to 25,455.51, 35,128.82 and 14,125.77

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Solution

The fourth proportional to 25,455.51, 35,128.82 and 14,125.77 is: 19,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.51 : 35,128.82 = 14,125.77 : x
  2. Step 2: Convert to fraction form
    25,455.51/35,128.82 = 14,125.77/x
  3. Step 3: Cross multiply
    25,455.51x = 35,128.82 × 14,125.77
  4. Step 4: Simplify right side
    25,455.51x = 496,221,667.01
  5. Step 5: Solve for x
    x = 496,221,667.01/25,455.51
  6. Step 6: Final answer
    x = 19,493.68

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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.