Home / 28,887.42-43,330.85-15,566.70

Finding the Fourth Proportional to 28,887.42, 43,330.85 and 15,566.70

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Solution

The fourth proportional to 28,887.42, 43,330.85 and 15,566.70 is: 23,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,887.42 : 43,330.85 = 15,566.70 : x
  2. Step 2: Convert to fraction form
    28,887.42/43,330.85 = 15,566.70/x
  3. Step 3: Cross multiply
    28,887.42x = 43,330.85 × 15,566.70
  4. Step 4: Simplify right side
    28,887.42x = 674,518,342.70
  5. Step 5: Solve for x
    x = 674,518,342.70/28,887.42
  6. Step 6: Final answer
    x = 23,349.90

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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.