Home / 28,730.60-43,038.30-16,404.20

Finding the Fourth Proportional to 28,730.60, 43,038.30 and 16,404.20

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Solution

The fourth proportional to 28,730.60, 43,038.30 and 16,404.20 is: 24,573.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.60 : 43,038.30 = 16,404.20 : x
  2. Step 2: Convert to fraction form
    28,730.60/43,038.30 = 16,404.20/x
  3. Step 3: Cross multiply
    28,730.60x = 43,038.30 × 16,404.20
  4. Step 4: Simplify right side
    28,730.60x = 706,008,880.86
  5. Step 5: Solve for x
    x = 706,008,880.86/28,730.60
  6. Step 6: Final answer
    x = 24,573.41

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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.