Home / 19,423.51-28,991.12-16,743.62

Finding the Fourth Proportional to 19,423.51, 28,991.12 and 16,743.62

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Solution

The fourth proportional to 19,423.51, 28,991.12 and 16,743.62 is: 24,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.51 : 28,991.12 = 16,743.62 : x
  2. Step 2: Convert to fraction form
    19,423.51/28,991.12 = 16,743.62/x
  3. Step 3: Cross multiply
    19,423.51x = 28,991.12 × 16,743.62
  4. Step 4: Simplify right side
    19,423.51x = 485,416,285.41
  5. Step 5: Solve for x
    x = 485,416,285.41/19,423.51
  6. Step 6: Final answer
    x = 24,991.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.