Home / 28,894.27-43,341.58-8,903.51

Finding the Fourth Proportional to 28,894.27, 43,341.58 and 8,903.51

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Solution

The fourth proportional to 28,894.27, 43,341.58 and 8,903.51 is: 13,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,894.27 : 43,341.58 = 8,903.51 : x
  2. Step 2: Convert to fraction form
    28,894.27/43,341.58 = 8,903.51/x
  3. Step 3: Cross multiply
    28,894.27x = 43,341.58 × 8,903.51
  4. Step 4: Simplify right side
    28,894.27x = 385,892,168.69
  5. Step 5: Solve for x
    x = 385,892,168.69/28,894.27
  6. Step 6: Final answer
    x = 13,355.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.