Home / 34,363.84-47,416.32-20,927.68

Finding the Fourth Proportional to 34,363.84, 47,416.32 and 20,927.68

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Solution

The fourth proportional to 34,363.84, 47,416.32 and 20,927.68 is: 28,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,363.84 : 47,416.32 = 20,927.68 : x
  2. Step 2: Convert to fraction form
    34,363.84/47,416.32 = 20,927.68/x
  3. Step 3: Cross multiply
    34,363.84x = 47,416.32 × 20,927.68
  4. Step 4: Simplify right side
    34,363.84x = 992,313,571.74
  5. Step 5: Solve for x
    x = 992,313,571.74/34,363.84
  6. Step 6: Final answer
    x = 28,876.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.