Home / 28,035.84-38,689.33-15,460.59

Finding the Fourth Proportional to 28,035.84, 38,689.33 and 15,460.59

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Solution

The fourth proportional to 28,035.84, 38,689.33 and 15,460.59 is: 21,335.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,035.84 : 38,689.33 = 15,460.59 : x
  2. Step 2: Convert to fraction form
    28,035.84/38,689.33 = 15,460.59/x
  3. Step 3: Cross multiply
    28,035.84x = 38,689.33 × 15,460.59
  4. Step 4: Simplify right side
    28,035.84x = 598,160,032.92
  5. Step 5: Solve for x
    x = 598,160,032.92/28,035.84
  6. Step 6: Final answer
    x = 21,335.55

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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.