Home / 25,643.70-38,465.55-15,750.90

Finding the Fourth Proportional to 25,643.70, 38,465.55 and 15,750.90

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Solution

The fourth proportional to 25,643.70, 38,465.55 and 15,750.90 is: 23,626.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,643.70 : 38,465.55 = 15,750.90 : x
  2. Step 2: Convert to fraction form
    25,643.70/38,465.55 = 15,750.90/x
  3. Step 3: Cross multiply
    25,643.70x = 38,465.55 × 15,750.90
  4. Step 4: Simplify right side
    25,643.70x = 605,867,031.50
  5. Step 5: Solve for x
    x = 605,867,031.50/25,643.70
  6. Step 6: Final answer
    x = 23,626.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.