Home / 27,315.41-37,698.86-15,381.08

Finding the Fourth Proportional to 27,315.41, 37,698.86 and 15,381.08

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Solution

The fourth proportional to 27,315.41, 37,698.86 and 15,381.08 is: 21,227.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,315.41 : 37,698.86 = 15,381.08 : x
  2. Step 2: Convert to fraction form
    27,315.41/37,698.86 = 15,381.08/x
  3. Step 3: Cross multiply
    27,315.41x = 37,698.86 × 15,381.08
  4. Step 4: Simplify right side
    27,315.41x = 579,848,916.17
  5. Step 5: Solve for x
    x = 579,848,916.17/27,315.41
  6. Step 6: Final answer
    x = 21,227.91

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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.