Home / 28,169.40-42,224.58-9,444.84

Finding the Fourth Proportional to 28,169.40, 42,224.58 and 9,444.84

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Solution

The fourth proportional to 28,169.40, 42,224.58 and 9,444.84 is: 14,157.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,169.40 : 42,224.58 = 9,444.84 : x
  2. Step 2: Convert to fraction form
    28,169.40/42,224.58 = 9,444.84/x
  3. Step 3: Cross multiply
    28,169.40x = 42,224.58 × 9,444.84
  4. Step 4: Simplify right side
    28,169.40x = 398,804,402.17
  5. Step 5: Solve for x
    x = 398,804,402.17/28,169.40
  6. Step 6: Final answer
    x = 14,157.36

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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.