Home / 28,564.95-42,842.43-11,020.35

Finding the Fourth Proportional to 28,564.95, 42,842.43 and 11,020.35

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Solution

The fourth proportional to 28,564.95, 42,842.43 and 11,020.35 is: 16,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,564.95 : 42,842.43 = 11,020.35 : x
  2. Step 2: Convert to fraction form
    28,564.95/42,842.43 = 11,020.35/x
  3. Step 3: Cross multiply
    28,564.95x = 42,842.43 × 11,020.35
  4. Step 4: Simplify right side
    28,564.95x = 472,138,573.45
  5. Step 5: Solve for x
    x = 472,138,573.45/28,564.95
  6. Step 6: Final answer
    x = 16,528.60

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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.