Home / 27,848.99-38,428.04-15,913.10

Finding the Fourth Proportional to 27,848.99, 38,428.04 and 15,913.10

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Solution

The fourth proportional to 27,848.99, 38,428.04 and 15,913.10 is: 21,958.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,848.99 : 38,428.04 = 15,913.10 : x
  2. Step 2: Convert to fraction form
    27,848.99/38,428.04 = 15,913.10/x
  3. Step 3: Cross multiply
    27,848.99x = 38,428.04 × 15,913.10
  4. Step 4: Simplify right side
    27,848.99x = 611,509,243.32
  5. Step 5: Solve for x
    x = 611,509,243.32/27,848.99
  6. Step 6: Final answer
    x = 21,958.04

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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.