Home / 21,601.23-29,789.25-14,038.98

Finding the Fourth Proportional to 21,601.23, 29,789.25 and 14,038.98

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Solution

The fourth proportional to 21,601.23, 29,789.25 and 14,038.98 is: 19,360.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.23 : 29,789.25 = 14,038.98 : x
  2. Step 2: Convert to fraction form
    21,601.23/29,789.25 = 14,038.98/x
  3. Step 3: Cross multiply
    21,601.23x = 29,789.25 × 14,038.98
  4. Step 4: Simplify right side
    21,601.23x = 418,210,684.97
  5. Step 5: Solve for x
    x = 418,210,684.97/21,601.23
  6. Step 6: Final answer
    x = 19,360.50

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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.