Home / 28,984.40-43,444.20-12,341.60

Finding the Fourth Proportional to 28,984.40, 43,444.20 and 12,341.60

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Solution

The fourth proportional to 28,984.40, 43,444.20 and 12,341.60 is: 18,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.40 : 43,444.20 = 12,341.60 : x
  2. Step 2: Convert to fraction form
    28,984.40/43,444.20 = 12,341.60/x
  3. Step 3: Cross multiply
    28,984.40x = 43,444.20 × 12,341.60
  4. Step 4: Simplify right side
    28,984.40x = 536,170,938.72
  5. Step 5: Solve for x
    x = 536,170,938.72/28,984.40
  6. Step 6: Final answer
    x = 18,498.60

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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.