Home / 25,953.28-38,928.30-10,359.70

Finding the Fourth Proportional to 25,953.28, 38,928.30 and 10,359.70

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Solution

The fourth proportional to 25,953.28, 38,928.30 and 10,359.70 is: 15,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,953.28 : 38,928.30 = 10,359.70 : x
  2. Step 2: Convert to fraction form
    25,953.28/38,928.30 = 10,359.70/x
  3. Step 3: Cross multiply
    25,953.28x = 38,928.30 × 10,359.70
  4. Step 4: Simplify right side
    25,953.28x = 403,285,509.51
  5. Step 5: Solve for x
    x = 403,285,509.51/25,953.28
  6. Step 6: Final answer
    x = 15,538.90

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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.