Home / 28,986.02-40,000.65-16,411.94

Finding the Fourth Proportional to 28,986.02, 40,000.65 and 16,411.94

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Solution

The fourth proportional to 28,986.02, 40,000.65 and 16,411.94 is: 22,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.02 : 40,000.65 = 16,411.94 : x
  2. Step 2: Convert to fraction form
    28,986.02/40,000.65 = 16,411.94/x
  3. Step 3: Cross multiply
    28,986.02x = 40,000.65 × 16,411.94
  4. Step 4: Simplify right side
    28,986.02x = 656,488,267.76
  5. Step 5: Solve for x
    x = 656,488,267.76/28,986.02
  6. Step 6: Final answer
    x = 22,648.44

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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.