Home / 19,478.05-26,879.78-10,525.62

Finding the Fourth Proportional to 19,478.05, 26,879.78 and 10,525.62

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Solution

The fourth proportional to 19,478.05, 26,879.78 and 10,525.62 is: 14,525.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.05 : 26,879.78 = 10,525.62 : x
  2. Step 2: Convert to fraction form
    19,478.05/26,879.78 = 10,525.62/x
  3. Step 3: Cross multiply
    19,478.05x = 26,879.78 × 10,525.62
  4. Step 4: Simplify right side
    19,478.05x = 282,926,349.96
  5. Step 5: Solve for x
    x = 282,926,349.96/19,478.05
  6. Step 6: Final answer
    x = 14,525.39

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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.