Home / 21,809.47-32,664.38-13,026.37

Finding the Fourth Proportional to 21,809.47, 32,664.38 and 13,026.37

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Solution

The fourth proportional to 21,809.47, 32,664.38 and 13,026.37 is: 19,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809.47 : 32,664.38 = 13,026.37 : x
  2. Step 2: Convert to fraction form
    21,809.47/32,664.38 = 13,026.37/x
  3. Step 3: Cross multiply
    21,809.47x = 32,664.38 × 13,026.37
  4. Step 4: Simplify right side
    21,809.47x = 425,498,299.70
  5. Step 5: Solve for x
    x = 425,498,299.70/21,809.47
  6. Step 6: Final answer
    x = 19,509.80

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1.5x scale

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.