Home / 19,002.79-26,226.06-15,810.44

Finding the Fourth Proportional to 19,002.79, 26,226.06 and 15,810.44

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Solution

The fourth proportional to 19,002.79, 26,226.06 and 15,810.44 is: 21,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.79 : 26,226.06 = 15,810.44 : x
  2. Step 2: Convert to fraction form
    19,002.79/26,226.06 = 15,810.44/x
  3. Step 3: Cross multiply
    19,002.79x = 26,226.06 × 15,810.44
  4. Step 4: Simplify right side
    19,002.79x = 414,645,594.10
  5. Step 5: Solve for x
    x = 414,645,594.10/19,002.79
  6. Step 6: Final answer
    x = 21,820.25

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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.