Home / 21,588.56-32,341.28-13,244.21

Finding the Fourth Proportional to 21,588.56, 32,341.28 and 13,244.21

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Solution

The fourth proportional to 21,588.56, 32,341.28 and 13,244.21 is: 19,840.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,588.56 : 32,341.28 = 13,244.21 : x
  2. Step 2: Convert to fraction form
    21,588.56/32,341.28 = 13,244.21/x
  3. Step 3: Cross multiply
    21,588.56x = 32,341.28 × 13,244.21
  4. Step 4: Simplify right side
    21,588.56x = 428,334,542.28
  5. Step 5: Solve for x
    x = 428,334,542.28/21,588.56
  6. Step 6: Final answer
    x = 19,840.82

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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.