Home / 28,232.04-42,359.94-14,205

Finding the Fourth Proportional to 28,232.04, 42,359.94 and 14,205

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Solution

The fourth proportional to 28,232.04, 42,359.94 and 14,205 is: 21,313.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.04 : 42,359.94 = 14,205 : x
  2. Step 2: Convert to fraction form
    28,232.04/42,359.94 = 14,205/x
  3. Step 3: Cross multiply
    28,232.04x = 42,359.94 × 14,205
  4. Step 4: Simplify right side
    28,232.04x = 601,722,947.70
  5. Step 5: Solve for x
    x = 601,722,947.70/28,232.04
  6. Step 6: Final answer
    x = 21,313.48

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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.