Home / 27,900.94-38,503.57-15,154.24

Finding the Fourth Proportional to 27,900.94, 38,503.57 and 15,154.24

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Solution

The fourth proportional to 27,900.94, 38,503.57 and 15,154.24 is: 20,913.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,900.94 : 38,503.57 = 15,154.24 : x
  2. Step 2: Convert to fraction form
    27,900.94/38,503.57 = 15,154.24/x
  3. Step 3: Cross multiply
    27,900.94x = 38,503.57 × 15,154.24
  4. Step 4: Simplify right side
    27,900.94x = 583,492,378.52
  5. Step 5: Solve for x
    x = 583,492,378.52/27,900.94
  6. Step 6: Final answer
    x = 20,913.00

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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.