Home / 27,834.08-38,411.36-15,258.56

Finding the Fourth Proportional to 27,834.08, 38,411.36 and 15,258.56

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Solution

The fourth proportional to 27,834.08, 38,411.36 and 15,258.56 is: 21,056.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,834.08 : 38,411.36 = 15,258.56 : x
  2. Step 2: Convert to fraction form
    27,834.08/38,411.36 = 15,258.56/x
  3. Step 3: Cross multiply
    27,834.08x = 38,411.36 × 15,258.56
  4. Step 4: Simplify right side
    27,834.08x = 586,102,041.24
  5. Step 5: Solve for x
    x = 586,102,041.24/27,834.08
  6. Step 6: Final answer
    x = 21,056.99

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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.