Home / 28,359.24-42,539.27-10,830.03

Finding the Fourth Proportional to 28,359.24, 42,539.27 and 10,830.03

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Solution

The fourth proportional to 28,359.24, 42,539.27 and 10,830.03 is: 16,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.24 : 42,539.27 = 10,830.03 : x
  2. Step 2: Convert to fraction form
    28,359.24/42,539.27 = 10,830.03/x
  3. Step 3: Cross multiply
    28,359.24x = 42,539.27 × 10,830.03
  4. Step 4: Simplify right side
    28,359.24x = 460,701,516.13
  5. Step 5: Solve for x
    x = 460,701,516.13/28,359.24
  6. Step 6: Final answer
    x = 16,245.20

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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.