Home / 21,588.14-29,780.23-14,862.09

Finding the Fourth Proportional to 21,588.14, 29,780.23 and 14,862.09

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Solution

The fourth proportional to 21,588.14, 29,780.23 and 14,862.09 is: 20,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.14 : 29,780.23 = 14,862.09 : x
  2. Step 2: Convert to fraction form
    21,588.14/29,780.23 = 14,862.09/x
  3. Step 3: Cross multiply
    21,588.14x = 29,780.23 × 14,862.09
  4. Step 4: Simplify right side
    21,588.14x = 442,596,458.48
  5. Step 5: Solve for x
    x = 442,596,458.48/21,588.14
  6. Step 6: Final answer
    x = 20,501.83

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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.