Home / 21,444.06-29,603.07-14,285.89

Finding the Fourth Proportional to 21,444.06, 29,603.07 and 14,285.89

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Solution

The fourth proportional to 21,444.06, 29,603.07 and 14,285.89 is: 19,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,444.06 : 29,603.07 = 14,285.89 : x
  2. Step 2: Convert to fraction form
    21,444.06/29,603.07 = 14,285.89/x
  3. Step 3: Cross multiply
    21,444.06x = 29,603.07 × 14,285.89
  4. Step 4: Simplify right side
    21,444.06x = 422,906,127.67
  5. Step 5: Solve for x
    x = 422,906,127.67/21,444.06
  6. Step 6: Final answer
    x = 19,721.36

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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.