Home / 34,247.63-47,263.53-20,816.70

Finding the Fourth Proportional to 34,247.63, 47,263.53 and 20,816.70

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Solution

The fourth proportional to 34,247.63, 47,263.53 and 20,816.70 is: 28,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,247.63 : 47,263.53 = 20,816.70 : x
  2. Step 2: Convert to fraction form
    34,247.63/47,263.53 = 20,816.70/x
  3. Step 3: Cross multiply
    34,247.63x = 47,263.53 × 20,816.70
  4. Step 4: Simplify right side
    34,247.63x = 983,870,724.95
  5. Step 5: Solve for x
    x = 983,870,724.95/34,247.63
  6. Step 6: Final answer
    x = 28,728.14

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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.