Home / 25,692.88-35,455.43-14,362.40

Finding the Fourth Proportional to 25,692.88, 35,455.43 and 14,362.40

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Solution

The fourth proportional to 25,692.88, 35,455.43 and 14,362.40 is: 19,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,692.88 : 35,455.43 = 14,362.40 : x
  2. Step 2: Convert to fraction form
    25,692.88/35,455.43 = 14,362.40/x
  3. Step 3: Cross multiply
    25,692.88x = 35,455.43 × 14,362.40
  4. Step 4: Simplify right side
    25,692.88x = 509,225,067.83
  5. Step 5: Solve for x
    x = 509,225,067.83/25,692.88
  6. Step 6: Final answer
    x = 19,819.70

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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.