Home / 25,556.59-35,269.11-15,479.35

Finding the Fourth Proportional to 25,556.59, 35,269.11 and 15,479.35

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Solution

The fourth proportional to 25,556.59, 35,269.11 and 15,479.35 is: 21,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,556.59 : 35,269.11 = 15,479.35 : x
  2. Step 2: Convert to fraction form
    25,556.59/35,269.11 = 15,479.35/x
  3. Step 3: Cross multiply
    25,556.59x = 35,269.11 × 15,479.35
  4. Step 4: Simplify right side
    25,556.59x = 545,942,809.71
  5. Step 5: Solve for x
    x = 545,942,809.71/25,556.59
  6. Step 6: Final answer
    x = 21,362.12

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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.