Home / 40,525.63-60,739.20-28,682.87

Finding the Fourth Proportional to 40,525.63, 60,739.20 and 28,682.87

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Solution

The fourth proportional to 40,525.63, 60,739.20 and 28,682.87 is: 42,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,525.63 : 60,739.20 = 28,682.87 : x
  2. Step 2: Convert to fraction form
    40,525.63/60,739.20 = 28,682.87/x
  3. Step 3: Cross multiply
    40,525.63x = 60,739.20 × 28,682.87
  4. Step 4: Simplify right side
    40,525.63x = 1,742,174,273.81
  5. Step 5: Solve for x
    x = 1,742,174,273.81/40,525.63
  6. Step 6: Final answer
    x = 42,989.45

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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.