Home / 28,610.64-42,891.16-11,068.40

Finding the Fourth Proportional to 28,610.64, 42,891.16 and 11,068.40

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Solution

The fourth proportional to 28,610.64, 42,891.16 and 11,068.40 is: 16,593.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,610.64 : 42,891.16 = 11,068.40 : x
  2. Step 2: Convert to fraction form
    28,610.64/42,891.16 = 11,068.40/x
  3. Step 3: Cross multiply
    28,610.64x = 42,891.16 × 11,068.40
  4. Step 4: Simplify right side
    28,610.64x = 474,736,515.34
  5. Step 5: Solve for x
    x = 474,736,515.34/28,610.64
  6. Step 6: Final answer
    x = 16,593.01

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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.