Home / 45,288.81-67,927.05-17,215.93

Finding the Fourth Proportional to 45,288.81, 67,927.05 and 17,215.93

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Solution

The fourth proportional to 45,288.81, 67,927.05 and 17,215.93 is: 25,821.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,288.81 : 67,927.05 = 17,215.93 : x
  2. Step 2: Convert to fraction form
    45,288.81/67,927.05 = 17,215.93/x
  3. Step 3: Cross multiply
    45,288.81x = 67,927.05 × 17,215.93
  4. Step 4: Simplify right side
    45,288.81x = 1,169,427,168.09
  5. Step 5: Solve for x
    x = 1,169,427,168.09/45,288.81
  6. Step 6: Final answer
    x = 25,821.55

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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.