Home / 28,941.20-43,411.80-16,499.60

Finding the Fourth Proportional to 28,941.20, 43,411.80 and 16,499.60

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Solution

The fourth proportional to 28,941.20, 43,411.80 and 16,499.60 is: 24,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.20 : 43,411.80 = 16,499.60 : x
  2. Step 2: Convert to fraction form
    28,941.20/43,411.80 = 16,499.60/x
  3. Step 3: Cross multiply
    28,941.20x = 43,411.80 × 16,499.60
  4. Step 4: Simplify right side
    28,941.20x = 716,277,335.28
  5. Step 5: Solve for x
    x = 716,277,335.28/28,941.20
  6. Step 6: Final answer
    x = 24,749.40

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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.