Home / 28,605.14-42,838.45-14,528.15

Finding the Fourth Proportional to 28,605.14, 42,838.45 and 14,528.15

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Solution

The fourth proportional to 28,605.14, 42,838.45 and 14,528.15 is: 21,757.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,605.14 : 42,838.45 = 14,528.15 : x
  2. Step 2: Convert to fraction form
    28,605.14/42,838.45 = 14,528.15/x
  3. Step 3: Cross multiply
    28,605.14x = 42,838.45 × 14,528.15
  4. Step 4: Simplify right side
    28,605.14x = 622,363,427.37
  5. Step 5: Solve for x
    x = 622,363,427.37/28,605.14
  6. Step 6: Final answer
    x = 21,757.05

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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.