Home / 28,559.88-39,416.74-16,629.79

Finding the Fourth Proportional to 28,559.88, 39,416.74 and 16,629.79

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Solution

The fourth proportional to 28,559.88, 39,416.74 and 16,629.79 is: 22,951.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.88 : 39,416.74 = 16,629.79 : x
  2. Step 2: Convert to fraction form
    28,559.88/39,416.74 = 16,629.79/x
  3. Step 3: Cross multiply
    28,559.88x = 39,416.74 × 16,629.79
  4. Step 4: Simplify right side
    28,559.88x = 655,492,108.68
  5. Step 5: Solve for x
    x = 655,492,108.68/28,559.88
  6. Step 6: Final answer
    x = 22,951.50

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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.