Home / 25,800.07-35,600.93-15,187.66

Finding the Fourth Proportional to 25,800.07, 35,600.93 and 15,187.66

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Solution

The fourth proportional to 25,800.07, 35,600.93 and 15,187.66 is: 20,957.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.07 : 35,600.93 = 15,187.66 : x
  2. Step 2: Convert to fraction form
    25,800.07/35,600.93 = 15,187.66/x
  3. Step 3: Cross multiply
    25,800.07x = 35,600.93 × 15,187.66
  4. Step 4: Simplify right side
    25,800.07x = 540,694,820.52
  5. Step 5: Solve for x
    x = 540,694,820.52/25,800.07
  6. Step 6: Final answer
    x = 20,957.11

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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.