Home / 28,260.06-38,997.54-15,512.94

Finding the Fourth Proportional to 28,260.06, 38,997.54 and 15,512.94

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Solution

The fourth proportional to 28,260.06, 38,997.54 and 15,512.94 is: 21,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,260.06 : 38,997.54 = 15,512.94 : x
  2. Step 2: Convert to fraction form
    28,260.06/38,997.54 = 15,512.94/x
  3. Step 3: Cross multiply
    28,260.06x = 38,997.54 × 15,512.94
  4. Step 4: Simplify right side
    28,260.06x = 604,966,498.17
  5. Step 5: Solve for x
    x = 604,966,498.17/28,260.06
  6. Step 6: Final answer
    x = 21,407.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.