Home / 52,715.56-72,749.64-28,844.32

Finding the Fourth Proportional to 52,715.56, 72,749.64 and 28,844.32

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Solution

The fourth proportional to 52,715.56, 72,749.64 and 28,844.32 is: 39,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,715.56 : 72,749.64 = 28,844.32 : x
  2. Step 2: Convert to fraction form
    52,715.56/72,749.64 = 28,844.32/x
  3. Step 3: Cross multiply
    52,715.56x = 72,749.64 × 28,844.32
  4. Step 4: Simplify right side
    52,715.56x = 2,098,413,896.04
  5. Step 5: Solve for x
    x = 2,098,413,896.04/52,715.56
  6. Step 6: Final answer
    x = 39,806.35

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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.