Home / 28,899.71-43,350.81-9,937.40

Finding the Fourth Proportional to 28,899.71, 43,350.81 and 9,937.40

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Solution

The fourth proportional to 28,899.71, 43,350.81 and 9,937.40 is: 14,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899.71 : 43,350.81 = 9,937.40 : x
  2. Step 2: Convert to fraction form
    28,899.71/43,350.81 = 9,937.40/x
  3. Step 3: Cross multiply
    28,899.71x = 43,350.81 × 9,937.40
  4. Step 4: Simplify right side
    28,899.71x = 430,794,289.61
  5. Step 5: Solve for x
    x = 430,794,289.61/28,899.71
  6. Step 6: Final answer
    x = 14,906.53

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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.