Home / 27,574.89-38,051.10-15,639.33

Finding the Fourth Proportional to 27,574.89, 38,051.10 and 15,639.33

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Solution

The fourth proportional to 27,574.89, 38,051.10 and 15,639.33 is: 21,581.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,574.89 : 38,051.10 = 15,639.33 : x
  2. Step 2: Convert to fraction form
    27,574.89/38,051.10 = 15,639.33/x
  3. Step 3: Cross multiply
    27,574.89x = 38,051.10 × 15,639.33
  4. Step 4: Simplify right side
    27,574.89x = 595,093,709.76
  5. Step 5: Solve for x
    x = 595,093,709.76/27,574.89
  6. Step 6: Final answer
    x = 21,581.00

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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.