Home / 25,441.79-38,185.97-12,970.76

Finding the Fourth Proportional to 25,441.79, 38,185.97 and 12,970.76

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Solution

The fourth proportional to 25,441.79, 38,185.97 and 12,970.76 is: 19,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,441.79 : 38,185.97 = 12,970.76 : x
  2. Step 2: Convert to fraction form
    25,441.79/38,185.97 = 12,970.76/x
  3. Step 3: Cross multiply
    25,441.79x = 38,185.97 × 12,970.76
  4. Step 4: Simplify right side
    25,441.79x = 495,300,796.45
  5. Step 5: Solve for x
    x = 495,300,796.45/25,441.79
  6. Step 6: Final answer
    x = 19,468.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.