Home / 19,457.87-29,025.57-18,884.29

Finding the Fourth Proportional to 19,457.87, 29,025.57 and 18,884.29

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Solution

The fourth proportional to 19,457.87, 29,025.57 and 18,884.29 is: 28,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,457.87 : 29,025.57 = 18,884.29 : x
  2. Step 2: Convert to fraction form
    19,457.87/29,025.57 = 18,884.29/x
  3. Step 3: Cross multiply
    19,457.87x = 29,025.57 × 18,884.29
  4. Step 4: Simplify right side
    19,457.87x = 548,127,281.30
  5. Step 5: Solve for x
    x = 548,127,281.30/19,457.87
  6. Step 6: Final answer
    x = 28,169.95

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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.