Home / 45,276.85-67,908.73-15,285.65

Finding the Fourth Proportional to 45,276.85, 67,908.73 and 15,285.65

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Solution

The fourth proportional to 45,276.85, 67,908.73 and 15,285.65 is: 22,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,276.85 : 67,908.73 = 15,285.65 : x
  2. Step 2: Convert to fraction form
    45,276.85/67,908.73 = 15,285.65/x
  3. Step 3: Cross multiply
    45,276.85x = 67,908.73 × 15,285.65
  4. Step 4: Simplify right side
    45,276.85x = 1,038,028,729.63
  5. Step 5: Solve for x
    x = 1,038,028,729.63/45,276.85
  6. Step 6: Final answer
    x = 22,926.26

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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.