Home / 25,528.32-38,288.16-7,056

Finding the Fourth Proportional to 25,528.32, 38,288.16 and 7,056

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Solution

The fourth proportional to 25,528.32, 38,288.16 and 7,056 is: 10,582.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,528.32 : 38,288.16 = 7,056 : x
  2. Step 2: Convert to fraction form
    25,528.32/38,288.16 = 7,056/x
  3. Step 3: Cross multiply
    25,528.32x = 38,288.16 × 7,056
  4. Step 4: Simplify right side
    25,528.32x = 270,161,256.96
  5. Step 5: Solve for x
    x = 270,161,256.96/25,528.32
  6. Step 6: Final answer
    x = 10,582.81

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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.