Home / 19,642.79-29,381.61-16,558.86

Finding the Fourth Proportional to 19,642.79, 29,381.61 and 16,558.86

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Solution

The fourth proportional to 19,642.79, 29,381.61 and 16,558.86 is: 24,768.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.79 : 29,381.61 = 16,558.86 : x
  2. Step 2: Convert to fraction form
    19,642.79/29,381.61 = 16,558.86/x
  3. Step 3: Cross multiply
    19,642.79x = 29,381.61 × 16,558.86
  4. Step 4: Simplify right side
    19,642.79x = 486,525,966.56
  5. Step 5: Solve for x
    x = 486,525,966.56/19,642.79
  6. Step 6: Final answer
    x = 24,768.69

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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.