Home / 52,785.57-72,844.10-28,913.10

Finding the Fourth Proportional to 52,785.57, 72,844.10 and 28,913.10

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Solution

The fourth proportional to 52,785.57, 72,844.10 and 28,913.10 is: 39,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,785.57 : 72,844.10 = 28,913.10 : x
  2. Step 2: Convert to fraction form
    52,785.57/72,844.10 = 28,913.10/x
  3. Step 3: Cross multiply
    52,785.57x = 72,844.10 × 28,913.10
  4. Step 4: Simplify right side
    52,785.57x = 2,106,148,329.98
  5. Step 5: Solve for x
    x = 2,106,148,329.98/52,785.57
  6. Step 6: Final answer
    x = 39,900.08

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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.