Home / 21,580.14-29,789.82-14,510.67

Finding the Fourth Proportional to 21,580.14, 29,789.82 and 14,510.67

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Solution

The fourth proportional to 21,580.14, 29,789.82 and 14,510.67 is: 20,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.14 : 29,789.82 = 14,510.67 : x
  2. Step 2: Convert to fraction form
    21,580.14/29,789.82 = 14,510.67/x
  3. Step 3: Cross multiply
    21,580.14x = 29,789.82 × 14,510.67
  4. Step 4: Simplify right side
    21,580.14x = 432,270,247.38
  5. Step 5: Solve for x
    x = 432,270,247.38/21,580.14
  6. Step 6: Final answer
    x = 20,030.93

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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.