Home / 25,740.74-35,530.98-15,133.52

Finding the Fourth Proportional to 25,740.74, 35,530.98 and 15,133.52

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Solution

The fourth proportional to 25,740.74, 35,530.98 and 15,133.52 is: 20,889.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,740.74 : 35,530.98 = 15,133.52 : x
  2. Step 2: Convert to fraction form
    25,740.74/35,530.98 = 15,133.52/x
  3. Step 3: Cross multiply
    25,740.74x = 35,530.98 × 15,133.52
  4. Step 4: Simplify right side
    25,740.74x = 537,708,796.45
  5. Step 5: Solve for x
    x = 537,708,796.45/25,740.74
  6. Step 6: Final answer
    x = 20,889.41

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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.