Home / 19,331.08-26,697.94-15,566.74

Finding the Fourth Proportional to 19,331.08, 26,697.94 and 15,566.74

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Solution

The fourth proportional to 19,331.08, 26,697.94 and 15,566.74 is: 21,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.08 : 26,697.94 = 15,566.74 : x
  2. Step 2: Convert to fraction form
    19,331.08/26,697.94 = 15,566.74/x
  3. Step 3: Cross multiply
    19,331.08x = 26,697.94 × 15,566.74
  4. Step 4: Simplify right side
    19,331.08x = 415,599,890.52
  5. Step 5: Solve for x
    x = 415,599,890.52/19,331.08
  6. Step 6: Final answer
    x = 21,499.05

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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.