Home / 21,739.32-30,024.90-14,653.56

Finding the Fourth Proportional to 21,739.32, 30,024.90 and 14,653.56

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Solution

The fourth proportional to 21,739.32, 30,024.90 and 14,653.56 is: 20,238.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,739.32 : 30,024.90 = 14,653.56 : x
  2. Step 2: Convert to fraction form
    21,739.32/30,024.90 = 14,653.56/x
  3. Step 3: Cross multiply
    21,739.32x = 30,024.90 × 14,653.56
  4. Step 4: Simplify right side
    21,739.32x = 439,971,673.64
  5. Step 5: Solve for x
    x = 439,971,673.64/21,739.32
  6. Step 6: Final answer
    x = 20,238.52

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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.