Home / 38,806.80-58,210.55-15,439.20

Finding the Fourth Proportional to 38,806.80, 58,210.55 and 15,439.20

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Solution

The fourth proportional to 38,806.80, 58,210.55 and 15,439.20 is: 23,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.80 : 58,210.55 = 15,439.20 : x
  2. Step 2: Convert to fraction form
    38,806.80/58,210.55 = 15,439.20/x
  3. Step 3: Cross multiply
    38,806.80x = 58,210.55 × 15,439.20
  4. Step 4: Simplify right side
    38,806.80x = 898,724,323.56
  5. Step 5: Solve for x
    x = 898,724,323.56/38,806.80
  6. Step 6: Final answer
    x = 23,158.94

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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.