Home / 23,001.72-31,756.89-15,057.37

Finding the Fourth Proportional to 23,001.72, 31,756.89 and 15,057.37

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Solution

The fourth proportional to 23,001.72, 31,756.89 and 15,057.37 is: 20,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001.72 : 31,756.89 = 15,057.37 : x
  2. Step 2: Convert to fraction form
    23,001.72/31,756.89 = 15,057.37/x
  3. Step 3: Cross multiply
    23,001.72x = 31,756.89 × 15,057.37
  4. Step 4: Simplify right side
    23,001.72x = 478,175,242.78
  5. Step 5: Solve for x
    x = 478,175,242.78/23,001.72
  6. Step 6: Final answer
    x = 20,788.67

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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.