Home / 40,628.71-60,877.45-15,639.50

Finding the Fourth Proportional to 40,628.71, 60,877.45 and 15,639.50

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Solution

The fourth proportional to 40,628.71, 60,877.45 and 15,639.50 is: 23,433.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,628.71 : 60,877.45 = 15,639.50 : x
  2. Step 2: Convert to fraction form
    40,628.71/60,877.45 = 15,639.50/x
  3. Step 3: Cross multiply
    40,628.71x = 60,877.45 × 15,639.50
  4. Step 4: Simplify right side
    40,628.71x = 952,092,879.28
  5. Step 5: Solve for x
    x = 952,092,879.28/40,628.71
  6. Step 6: Final answer
    x = 23,433.99

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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.