Home / 19,017.60-28,477.18-16,901.74

Finding the Fourth Proportional to 19,017.60, 28,477.18 and 16,901.74

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Solution

The fourth proportional to 19,017.60, 28,477.18 and 16,901.74 is: 25,308.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.60 : 28,477.18 = 16,901.74 : x
  2. Step 2: Convert to fraction form
    19,017.60/28,477.18 = 16,901.74/x
  3. Step 3: Cross multiply
    19,017.60x = 28,477.18 × 16,901.74
  4. Step 4: Simplify right side
    19,017.60x = 481,313,892.29
  5. Step 5: Solve for x
    x = 481,313,892.29/19,017.60
  6. Step 6: Final answer
    x = 25,308.87

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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.