Home / 20,035.49-30,026.69-10,655.31

Finding the Fourth Proportional to 20,035.49, 30,026.69 and 10,655.31

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Solution

The fourth proportional to 20,035.49, 30,026.69 and 10,655.31 is: 15,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.49 : 30,026.69 = 10,655.31 : x
  2. Step 2: Convert to fraction form
    20,035.49/30,026.69 = 10,655.31/x
  3. Step 3: Cross multiply
    20,035.49x = 30,026.69 × 10,655.31
  4. Step 4: Simplify right side
    20,035.49x = 319,943,690.22
  5. Step 5: Solve for x
    x = 319,943,690.22/20,035.49
  6. Step 6: Final answer
    x = 15,968.85

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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.