Home / 25,898.64-38,868.28-18,056.40

Finding the Fourth Proportional to 25,898.64, 38,868.28 and 18,056.40

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Solution

The fourth proportional to 25,898.64, 38,868.28 and 18,056.40 is: 27,098.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,898.64 : 38,868.28 = 18,056.40 : x
  2. Step 2: Convert to fraction form
    25,898.64/38,868.28 = 18,056.40/x
  3. Step 3: Cross multiply
    25,898.64x = 38,868.28 × 18,056.40
  4. Step 4: Simplify right side
    25,898.64x = 701,821,210.99
  5. Step 5: Solve for x
    x = 701,821,210.99/25,898.64
  6. Step 6: Final answer
    x = 27,098.77

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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.