Home / 43,285.95-64,920.72-15,199.40

Finding the Fourth Proportional to 43,285.95, 64,920.72 and 15,199.40

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Solution

The fourth proportional to 43,285.95, 64,920.72 and 15,199.40 is: 22,796.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,285.95 : 64,920.72 = 15,199.40 : x
  2. Step 2: Convert to fraction form
    43,285.95/64,920.72 = 15,199.40/x
  3. Step 3: Cross multiply
    43,285.95x = 64,920.72 × 15,199.40
  4. Step 4: Simplify right side
    43,285.95x = 986,756,210.87
  5. Step 5: Solve for x
    x = 986,756,210.87/43,285.95
  6. Step 6: Final answer
    x = 22,796.22

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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.