Home / 19,559.68-26,998.32-15,607.96

Finding the Fourth Proportional to 19,559.68, 26,998.32 and 15,607.96

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Solution

The fourth proportional to 19,559.68, 26,998.32 and 15,607.96 is: 21,543.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.68 : 26,998.32 = 15,607.96 : x
  2. Step 2: Convert to fraction form
    19,559.68/26,998.32 = 15,607.96/x
  3. Step 3: Cross multiply
    19,559.68x = 26,998.32 × 15,607.96
  4. Step 4: Simplify right side
    19,559.68x = 421,388,698.63
  5. Step 5: Solve for x
    x = 421,388,698.63/19,559.68
  6. Step 6: Final answer
    x = 21,543.74

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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.