Home / 28,159.08-38,861.46-16,225.80

Finding the Fourth Proportional to 28,159.08, 38,861.46 and 16,225.80

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Solution

The fourth proportional to 28,159.08, 38,861.46 and 16,225.80 is: 22,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,159.08 : 38,861.46 = 16,225.80 : x
  2. Step 2: Convert to fraction form
    28,159.08/38,861.46 = 16,225.80/x
  3. Step 3: Cross multiply
    28,159.08x = 38,861.46 × 16,225.80
  4. Step 4: Simplify right side
    28,159.08x = 630,558,277.67
  5. Step 5: Solve for x
    x = 630,558,277.67/28,159.08
  6. Step 6: Final answer
    x = 22,392.72

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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.