Home / 43,280.69-64,928.21-15,193.46

Finding the Fourth Proportional to 43,280.69, 64,928.21 and 15,193.46

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Solution

The fourth proportional to 43,280.69, 64,928.21 and 15,193.46 is: 22,792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,280.69 : 64,928.21 = 15,193.46 : x
  2. Step 2: Convert to fraction form
    43,280.69/64,928.21 = 15,193.46/x
  3. Step 3: Cross multiply
    43,280.69x = 64,928.21 × 15,193.46
  4. Step 4: Simplify right side
    43,280.69x = 986,483,760.90
  5. Step 5: Solve for x
    x = 986,483,760.90/43,280.69
  6. Step 6: Final answer
    x = 22,792.70

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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.