Home / 25,749.64-35,533.90-15,139.56

Finding the Fourth Proportional to 25,749.64, 35,533.90 and 15,139.56

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Solution

The fourth proportional to 25,749.64, 35,533.90 and 15,139.56 is: 20,892.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,749.64 : 35,533.90 = 15,139.56 : x
  2. Step 2: Convert to fraction form
    25,749.64/35,533.90 = 15,139.56/x
  3. Step 3: Cross multiply
    25,749.64x = 35,533.90 × 15,139.56
  4. Step 4: Simplify right side
    25,749.64x = 537,967,611.08
  5. Step 5: Solve for x
    x = 537,967,611.08/25,749.64
  6. Step 6: Final answer
    x = 20,892.24

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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.