Home / 28,894.88-43,281.01-18,864.18

Finding the Fourth Proportional to 28,894.88, 43,281.01 and 18,864.18

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Solution

The fourth proportional to 28,894.88, 43,281.01 and 18,864.18 is: 28,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.88 : 43,281.01 = 18,864.18 : x
  2. Step 2: Convert to fraction form
    28,894.88/43,281.01 = 18,864.18/x
  3. Step 3: Cross multiply
    28,894.88x = 43,281.01 × 18,864.18
  4. Step 4: Simplify right side
    28,894.88x = 816,461,066.15
  5. Step 5: Solve for x
    x = 816,461,066.15/28,894.88
  6. Step 6: Final answer
    x = 28,256.25

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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.