Home / 37,963.78-56,905.21-28,574.76

Finding the Fourth Proportional to 37,963.78, 56,905.21 and 28,574.76

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Solution

The fourth proportional to 37,963.78, 56,905.21 and 28,574.76 is: 42,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,963.78 : 56,905.21 = 28,574.76 : x
  2. Step 2: Convert to fraction form
    37,963.78/56,905.21 = 28,574.76/x
  3. Step 3: Cross multiply
    37,963.78x = 56,905.21 × 28,574.76
  4. Step 4: Simplify right side
    37,963.78x = 1,626,052,575.63
  5. Step 5: Solve for x
    x = 1,626,052,575.63/37,963.78
  6. Step 6: Final answer
    x = 42,831.69

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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.