Home / 23,988.79-35,983.19-12,900.70

Finding the Fourth Proportional to 23,988.79, 35,983.19 and 12,900.70

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Solution

The fourth proportional to 23,988.79, 35,983.19 and 12,900.70 is: 19,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,988.79 : 35,983.19 = 12,900.70 : x
  2. Step 2: Convert to fraction form
    23,988.79/35,983.19 = 12,900.70/x
  3. Step 3: Cross multiply
    23,988.79x = 35,983.19 × 12,900.70
  4. Step 4: Simplify right side
    23,988.79x = 464,208,281.53
  5. Step 5: Solve for x
    x = 464,208,281.53/23,988.79
  6. Step 6: Final answer
    x = 19,351.05

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Similar ratio
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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.