Home / 29,987.85-45,009.21-15,206.97

Finding the Fourth Proportional to 29,987.85, 45,009.21 and 15,206.97

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Solution

The fourth proportional to 29,987.85, 45,009.21 and 15,206.97 is: 22,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987.85 : 45,009.21 = 15,206.97 : x
  2. Step 2: Convert to fraction form
    29,987.85/45,009.21 = 15,206.97/x
  3. Step 3: Cross multiply
    29,987.85x = 45,009.21 × 15,206.97
  4. Step 4: Simplify right side
    29,987.85x = 684,453,706.19
  5. Step 5: Solve for x
    x = 684,453,706.19/29,987.85
  6. Step 6: Final answer
    x = 22,824.37

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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.