Home / 52,528.24-72,489.44-28,655

Finding the Fourth Proportional to 52,528.24, 72,489.44 and 28,655

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Solution

The fourth proportional to 52,528.24, 72,489.44 and 28,655 is: 39,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,528.24 : 72,489.44 = 28,655 : x
  2. Step 2: Convert to fraction form
    52,528.24/72,489.44 = 28,655/x
  3. Step 3: Cross multiply
    52,528.24x = 72,489.44 × 28,655
  4. Step 4: Simplify right side
    52,528.24x = 2,077,184,903.20
  5. Step 5: Solve for x
    x = 2,077,184,903.20/52,528.24
  6. Step 6: Final answer
    x = 39,544.16

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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.