Home / 21,646.80-29,886.48-17,677.44

Finding the Fourth Proportional to 21,646.80, 29,886.48 and 17,677.44

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Solution

The fourth proportional to 21,646.80, 29,886.48 and 17,677.44 is: 24,406.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.80 : 29,886.48 = 17,677.44 : x
  2. Step 2: Convert to fraction form
    21,646.80/29,886.48 = 17,677.44/x
  3. Step 3: Cross multiply
    21,646.80x = 29,886.48 × 17,677.44
  4. Step 4: Simplify right side
    21,646.80x = 528,316,457.01
  5. Step 5: Solve for x
    x = 528,316,457.01/21,646.80
  6. Step 6: Final answer
    x = 24,406.22

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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.