Home / 28,071.24-42,132.36-14,934.60

Finding the Fourth Proportional to 28,071.24, 42,132.36 and 14,934.60

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Solution

The fourth proportional to 28,071.24, 42,132.36 and 14,934.60 is: 22,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,071.24 : 42,132.36 = 14,934.60 : x
  2. Step 2: Convert to fraction form
    28,071.24/42,132.36 = 14,934.60/x
  3. Step 3: Cross multiply
    28,071.24x = 42,132.36 × 14,934.60
  4. Step 4: Simplify right side
    28,071.24x = 629,229,943.66
  5. Step 5: Solve for x
    x = 629,229,943.66/28,071.24
  6. Step 6: Final answer
    x = 22,415.47

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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.