Home / 21,032.24-29,026.52-15,717.80

Finding the Fourth Proportional to 21,032.24, 29,026.52 and 15,717.80

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Solution

The fourth proportional to 21,032.24, 29,026.52 and 15,717.80 is: 21,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032.24 : 29,026.52 = 15,717.80 : x
  2. Step 2: Convert to fraction form
    21,032.24/29,026.52 = 15,717.80/x
  3. Step 3: Cross multiply
    21,032.24x = 29,026.52 × 15,717.80
  4. Step 4: Simplify right side
    21,032.24x = 456,233,036.06
  5. Step 5: Solve for x
    x = 456,233,036.06/21,032.24
  6. Step 6: Final answer
    x = 21,692.08

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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.