Home / 21,646.63-29,886.13-17,677.23

Finding the Fourth Proportional to 21,646.63, 29,886.13 and 17,677.23

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Solution

The fourth proportional to 21,646.63, 29,886.13 and 17,677.23 is: 24,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.63 : 29,886.13 = 17,677.23 : x
  2. Step 2: Convert to fraction form
    21,646.63/29,886.13 = 17,677.23/x
  3. Step 3: Cross multiply
    21,646.63x = 29,886.13 × 17,677.23
  4. Step 4: Simplify right side
    21,646.63x = 528,303,844.39
  5. Step 5: Solve for x
    x = 528,303,844.39/21,646.63
  6. Step 6: Final answer
    x = 24,405.82

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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.