Home / 28,215.03-42,336.42-11,347.37

Finding the Fourth Proportional to 28,215.03, 42,336.42 and 11,347.37

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Solution

The fourth proportional to 28,215.03, 42,336.42 and 11,347.37 is: 17,026.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,215.03 : 42,336.42 = 11,347.37 : x
  2. Step 2: Convert to fraction form
    28,215.03/42,336.42 = 11,347.37/x
  3. Step 3: Cross multiply
    28,215.03x = 42,336.42 × 11,347.37
  4. Step 4: Simplify right side
    28,215.03x = 480,406,955.11
  5. Step 5: Solve for x
    x = 480,406,955.11/28,215.03
  6. Step 6: Final answer
    x = 17,026.63

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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.