Home / 28,860.70-43,296.63-11,090.02

Finding the Fourth Proportional to 28,860.70, 43,296.63 and 11,090.02

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Solution

The fourth proportional to 28,860.70, 43,296.63 and 11,090.02 is: 16,637.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,860.70 : 43,296.63 = 11,090.02 : x
  2. Step 2: Convert to fraction form
    28,860.70/43,296.63 = 11,090.02/x
  3. Step 3: Cross multiply
    28,860.70x = 43,296.63 × 11,090.02
  4. Step 4: Simplify right side
    28,860.70x = 480,160,492.63
  5. Step 5: Solve for x
    x = 480,160,492.63/28,860.70
  6. Step 6: Final answer
    x = 16,637.17

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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.