Home / 21,083.77-31,625.70-14,490.01

Finding the Fourth Proportional to 21,083.77, 31,625.70 and 14,490.01

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Solution

The fourth proportional to 21,083.77, 31,625.70 and 14,490.01 is: 21,735.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,083.77 : 31,625.70 = 14,490.01 : x
  2. Step 2: Convert to fraction form
    21,083.77/31,625.70 = 14,490.01/x
  3. Step 3: Cross multiply
    21,083.77x = 31,625.70 × 14,490.01
  4. Step 4: Simplify right side
    21,083.77x = 458,256,709.26
  5. Step 5: Solve for x
    x = 458,256,709.26/21,083.77
  6. Step 6: Final answer
    x = 21,735.05

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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.