Home / 28,094.55-42,130.09-11,443.29

Finding the Fourth Proportional to 28,094.55, 42,130.09 and 11,443.29

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Solution

The fourth proportional to 28,094.55, 42,130.09 and 11,443.29 is: 17,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,094.55 : 42,130.09 = 11,443.29 : x
  2. Step 2: Convert to fraction form
    28,094.55/42,130.09 = 11,443.29/x
  3. Step 3: Cross multiply
    28,094.55x = 42,130.09 × 11,443.29
  4. Step 4: Simplify right side
    28,094.55x = 482,106,837.60
  5. Step 5: Solve for x
    x = 482,106,837.60/28,094.55
  6. Step 6: Final answer
    x = 17,160.16

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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.