Home / 21,735.42-29,985.84-14,649.54

Finding the Fourth Proportional to 21,735.42, 29,985.84 and 14,649.54

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Solution

The fourth proportional to 21,735.42, 29,985.84 and 14,649.54 is: 20,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.42 : 29,985.84 = 14,649.54 : x
  2. Step 2: Convert to fraction form
    21,735.42/29,985.84 = 14,649.54/x
  3. Step 3: Cross multiply
    21,735.42x = 29,985.84 × 14,649.54
  4. Step 4: Simplify right side
    21,735.42x = 439,278,762.51
  5. Step 5: Solve for x
    x = 439,278,762.51/21,735.42
  6. Step 6: Final answer
    x = 20,210.27

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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.