Home / 21,733.34-32,617.29-18,649.40

Finding the Fourth Proportional to 21,733.34, 32,617.29 and 18,649.40

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Solution

The fourth proportional to 21,733.34, 32,617.29 and 18,649.40 is: 27,988.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,733.34 : 32,617.29 = 18,649.40 : x
  2. Step 2: Convert to fraction form
    21,733.34/32,617.29 = 18,649.40/x
  3. Step 3: Cross multiply
    21,733.34x = 32,617.29 × 18,649.40
  4. Step 4: Simplify right side
    21,733.34x = 608,292,888.13
  5. Step 5: Solve for x
    x = 608,292,888.13/21,733.34
  6. Step 6: Final answer
    x = 27,988.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.