Home / 27,886.23-38,482.56-15,310.98

Finding the Fourth Proportional to 27,886.23, 38,482.56 and 15,310.98

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Solution

The fourth proportional to 27,886.23, 38,482.56 and 15,310.98 is: 21,128.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,886.23 : 38,482.56 = 15,310.98 : x
  2. Step 2: Convert to fraction form
    27,886.23/38,482.56 = 15,310.98/x
  3. Step 3: Cross multiply
    27,886.23x = 38,482.56 × 15,310.98
  4. Step 4: Simplify right side
    27,886.23x = 589,205,706.51
  5. Step 5: Solve for x
    x = 589,205,706.51/27,886.23
  6. Step 6: Final answer
    x = 21,128.91

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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.