Home / 28,262.56-42,383.04-13,460.16

Finding the Fourth Proportional to 28,262.56, 42,383.04 and 13,460.16

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Solution

The fourth proportional to 28,262.56, 42,383.04 and 13,460.16 is: 20,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.56 : 42,383.04 = 13,460.16 : x
  2. Step 2: Convert to fraction form
    28,262.56/42,383.04 = 13,460.16/x
  3. Step 3: Cross multiply
    28,262.56x = 42,383.04 × 13,460.16
  4. Step 4: Simplify right side
    28,262.56x = 570,482,499.69
  5. Step 5: Solve for x
    x = 570,482,499.69/28,262.56
  6. Step 6: Final answer
    x = 20,185.10

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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.