Home / 27,068.94-40,561.53-18,765.18

Finding the Fourth Proportional to 27,068.94, 40,561.53 and 18,765.18

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Solution

The fourth proportional to 27,068.94, 40,561.53 and 18,765.18 is: 28,118.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,068.94 : 40,561.53 = 18,765.18 : x
  2. Step 2: Convert to fraction form
    27,068.94/40,561.53 = 18,765.18/x
  3. Step 3: Cross multiply
    27,068.94x = 40,561.53 × 18,765.18
  4. Step 4: Simplify right side
    27,068.94x = 761,144,411.53
  5. Step 5: Solve for x
    x = 761,144,411.53/27,068.94
  6. Step 6: Final answer
    x = 28,118.74

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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.