Home / 25,931.20-38,798.65-15,406.87

Finding the Fourth Proportional to 25,931.20, 38,798.65 and 15,406.87

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Solution

The fourth proportional to 25,931.20, 38,798.65 and 15,406.87 is: 23,051.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,931.20 : 38,798.65 = 15,406.87 : x
  2. Step 2: Convert to fraction form
    25,931.20/38,798.65 = 15,406.87/x
  3. Step 3: Cross multiply
    25,931.20x = 38,798.65 × 15,406.87
  4. Step 4: Simplify right side
    25,931.20x = 597,765,756.73
  5. Step 5: Solve for x
    x = 597,765,756.73/25,931.20
  6. Step 6: Final answer
    x = 23,051.99

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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.