Home / 21,627.49-29,827.29-14,071.06

Finding the Fourth Proportional to 21,627.49, 29,827.29 and 14,071.06

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Solution

The fourth proportional to 21,627.49, 29,827.29 and 14,071.06 is: 19,405.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627.49 : 29,827.29 = 14,071.06 : x
  2. Step 2: Convert to fraction form
    21,627.49/29,827.29 = 14,071.06/x
  3. Step 3: Cross multiply
    21,627.49x = 29,827.29 × 14,071.06
  4. Step 4: Simplify right side
    21,627.49x = 419,701,587.23
  5. Step 5: Solve for x
    x = 419,701,587.23/21,627.49
  6. Step 6: Final answer
    x = 19,405.93

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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.