Home / 25,700.04-35,433.54-21,867.84

Finding the Fourth Proportional to 25,700.04, 35,433.54 and 21,867.84

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Solution

The fourth proportional to 25,700.04, 35,433.54 and 21,867.84 is: 30,149.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,700.04 : 35,433.54 = 21,867.84 : x
  2. Step 2: Convert to fraction form
    25,700.04/35,433.54 = 21,867.84/x
  3. Step 3: Cross multiply
    25,700.04x = 35,433.54 × 21,867.84
  4. Step 4: Simplify right side
    25,700.04x = 774,854,983.35
  5. Step 5: Solve for x
    x = 774,854,983.35/25,700.04
  6. Step 6: Final answer
    x = 30,149.95

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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.