Home / 28,817.36-43,148.10-14,937.20

Finding the Fourth Proportional to 28,817.36, 43,148.10 and 14,937.20

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Solution

The fourth proportional to 28,817.36, 43,148.10 and 14,937.20 is: 22,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,817.36 : 43,148.10 = 14,937.20 : x
  2. Step 2: Convert to fraction form
    28,817.36/43,148.10 = 14,937.20/x
  3. Step 3: Cross multiply
    28,817.36x = 43,148.10 × 14,937.20
  4. Step 4: Simplify right side
    28,817.36x = 644,511,799.32
  5. Step 5: Solve for x
    x = 644,511,799.32/28,817.36
  6. Step 6: Final answer
    x = 22,365.40

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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.