Home / 28,365.18-42,554.25-13,577.82

Finding the Fourth Proportional to 28,365.18, 42,554.25 and 13,577.82

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Solution

The fourth proportional to 28,365.18, 42,554.25 and 13,577.82 is: 20,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,365.18 : 42,554.25 = 13,577.82 : x
  2. Step 2: Convert to fraction form
    28,365.18/42,554.25 = 13,577.82/x
  3. Step 3: Cross multiply
    28,365.18x = 42,554.25 × 13,577.82
  4. Step 4: Simplify right side
    28,365.18x = 577,793,946.74
  5. Step 5: Solve for x
    x = 577,793,946.74/28,365.18
  6. Step 6: Final answer
    x = 20,369.83

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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.