Home / 52,238.16-72,086.64-28,364.32

Finding the Fourth Proportional to 52,238.16, 72,086.64 and 28,364.32

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Solution

The fourth proportional to 52,238.16, 72,086.64 and 28,364.32 is: 39,141.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,238.16 : 72,086.64 = 28,364.32 : x
  2. Step 2: Convert to fraction form
    52,238.16/72,086.64 = 28,364.32/x
  3. Step 3: Cross multiply
    52,238.16x = 72,086.64 × 28,364.32
  4. Step 4: Simplify right side
    52,238.16x = 2,044,688,524.68
  5. Step 5: Solve for x
    x = 2,044,688,524.68/52,238.16
  6. Step 6: Final answer
    x = 39,141.66

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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.