Home / 38,700.66-58,041.21-15,000.06

Finding the Fourth Proportional to 38,700.66, 58,041.21 and 15,000.06

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Solution

The fourth proportional to 38,700.66, 58,041.21 and 15,000.06 is: 22,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,700.66 : 58,041.21 = 15,000.06 : x
  2. Step 2: Convert to fraction form
    38,700.66/58,041.21 = 15,000.06/x
  3. Step 3: Cross multiply
    38,700.66x = 58,041.21 × 15,000.06
  4. Step 4: Simplify right side
    38,700.66x = 870,621,632.47
  5. Step 5: Solve for x
    x = 870,621,632.47/38,700.66
  6. Step 6: Final answer
    x = 22,496.30

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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.