Home / 28,892.84-43,345.20-13,090.28

Finding the Fourth Proportional to 28,892.84, 43,345.20 and 13,090.28

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Solution

The fourth proportional to 28,892.84, 43,345.20 and 13,090.28 is: 19,638.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892.84 : 43,345.20 = 13,090.28 : x
  2. Step 2: Convert to fraction form
    28,892.84/43,345.20 = 13,090.28/x
  3. Step 3: Cross multiply
    28,892.84x = 43,345.20 × 13,090.28
  4. Step 4: Simplify right side
    28,892.84x = 567,400,804.66
  5. Step 5: Solve for x
    x = 567,400,804.66/28,892.84
  6. Step 6: Final answer
    x = 19,638.11

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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.