Home / 19,275.04-26,591.52-12,989.44

Finding the Fourth Proportional to 19,275.04, 26,591.52 and 12,989.44

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Solution

The fourth proportional to 19,275.04, 26,591.52 and 12,989.44 is: 17,920.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.04 : 26,591.52 = 12,989.44 : x
  2. Step 2: Convert to fraction form
    19,275.04/26,591.52 = 12,989.44/x
  3. Step 3: Cross multiply
    19,275.04x = 26,591.52 × 12,989.44
  4. Step 4: Simplify right side
    19,275.04x = 345,408,953.55
  5. Step 5: Solve for x
    x = 345,408,953.55/19,275.04
  6. Step 6: Final answer
    x = 17,920.01

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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.