Home / 23,128.81-34,656.87-17,876.67

Finding the Fourth Proportional to 23,128.81, 34,656.87 and 17,876.67

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Solution

The fourth proportional to 23,128.81, 34,656.87 and 17,876.67 is: 26,786.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,128.81 : 34,656.87 = 17,876.67 : x
  2. Step 2: Convert to fraction form
    23,128.81/34,656.87 = 17,876.67/x
  3. Step 3: Cross multiply
    23,128.81x = 34,656.87 × 17,876.67
  4. Step 4: Simplify right side
    23,128.81x = 619,549,428.22
  5. Step 5: Solve for x
    x = 619,549,428.22/23,128.81
  6. Step 6: Final answer
    x = 26,786.92

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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.