Home / 52,786.32-72,843.12-28,913.16

Finding the Fourth Proportional to 52,786.32, 72,843.12 and 28,913.16

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Solution

The fourth proportional to 52,786.32, 72,843.12 and 28,913.16 is: 39,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.32 : 72,843.12 = 28,913.16 : x
  2. Step 2: Convert to fraction form
    52,786.32/72,843.12 = 28,913.16/x
  3. Step 3: Cross multiply
    52,786.32x = 72,843.12 × 28,913.16
  4. Step 4: Simplify right side
    52,786.32x = 2,106,124,783.46
  5. Step 5: Solve for x
    x = 2,106,124,783.46/52,786.32
  6. Step 6: Final answer
    x = 39,899.06

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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.