Home / 25,642.58-35,386.07-15,031.98

Finding the Fourth Proportional to 25,642.58, 35,386.07 and 15,031.98

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Solution

The fourth proportional to 25,642.58, 35,386.07 and 15,031.98 is: 20,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,642.58 : 35,386.07 = 15,031.98 : x
  2. Step 2: Convert to fraction form
    25,642.58/35,386.07 = 15,031.98/x
  3. Step 3: Cross multiply
    25,642.58x = 35,386.07 × 15,031.98
  4. Step 4: Simplify right side
    25,642.58x = 531,922,621.36
  5. Step 5: Solve for x
    x = 531,922,621.36/25,642.58
  6. Step 6: Final answer
    x = 20,743.73

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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.