Home / 25,454.95-35,137.16-15,383.77

Finding the Fourth Proportional to 25,454.95, 35,137.16 and 15,383.77

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Solution

The fourth proportional to 25,454.95, 35,137.16 and 15,383.77 is: 21,235.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,454.95 : 35,137.16 = 15,383.77 : x
  2. Step 2: Convert to fraction form
    25,454.95/35,137.16 = 15,383.77/x
  3. Step 3: Cross multiply
    25,454.95x = 35,137.16 × 15,383.77
  4. Step 4: Simplify right side
    25,454.95x = 540,541,987.89
  5. Step 5: Solve for x
    x = 540,541,987.89/25,454.95
  6. Step 6: Final answer
    x = 21,235.24

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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.