Home / 28,929.96-43,357.02-16,455.72

Finding the Fourth Proportional to 28,929.96, 43,357.02 and 16,455.72

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Solution

The fourth proportional to 28,929.96, 43,357.02 and 16,455.72 is: 24,662.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,929.96 : 43,357.02 = 16,455.72 : x
  2. Step 2: Convert to fraction form
    28,929.96/43,357.02 = 16,455.72/x
  3. Step 3: Cross multiply
    28,929.96x = 43,357.02 × 16,455.72
  4. Step 4: Simplify right side
    28,929.96x = 713,470,981.15
  5. Step 5: Solve for x
    x = 713,470,981.15/28,929.96
  6. Step 6: Final answer
    x = 24,662.01

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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.