Home / 27,904.84-38,509.00-15,158.16

Finding the Fourth Proportional to 27,904.84, 38,509.00 and 15,158.16

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Solution

The fourth proportional to 27,904.84, 38,509.00 and 15,158.16 is: 20,918.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,904.84 : 38,509.00 = 15,158.16 : x
  2. Step 2: Convert to fraction form
    27,904.84/38,509.00 = 15,158.16/x
  3. Step 3: Cross multiply
    27,904.84x = 38,509.00 × 15,158.16
  4. Step 4: Simplify right side
    27,904.84x = 583,725,545.54
  5. Step 5: Solve for x
    x = 583,725,545.54/27,904.84
  6. Step 6: Final answer
    x = 20,918.44

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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.