Home / 40,736.40-56,157.32-28,599.92

Finding the Fourth Proportional to 40,736.40, 56,157.32 and 28,599.92

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Solution

The fourth proportional to 40,736.40, 56,157.32 and 28,599.92 is: 39,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,736.40 : 56,157.32 = 28,599.92 : x
  2. Step 2: Convert to fraction form
    40,736.40/56,157.32 = 28,599.92/x
  3. Step 3: Cross multiply
    40,736.40x = 56,157.32 × 28,599.92
  4. Step 4: Simplify right side
    40,736.40x = 1,606,094,859.41
  5. Step 5: Solve for x
    x = 1,606,094,859.41/40,736.40
  6. Step 6: Final answer
    x = 39,426.53

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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.