Home / 27,620.18-38,116.59-15,045.74

Finding the Fourth Proportional to 27,620.18, 38,116.59 and 15,045.74

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Solution

The fourth proportional to 27,620.18, 38,116.59 and 15,045.74 is: 20,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.18 : 38,116.59 = 15,045.74 : x
  2. Step 2: Convert to fraction form
    27,620.18/38,116.59 = 15,045.74/x
  3. Step 3: Cross multiply
    27,620.18x = 38,116.59 × 15,045.74
  4. Step 4: Simplify right side
    27,620.18x = 573,492,302.83
  5. Step 5: Solve for x
    x = 573,492,302.83/27,620.18
  6. Step 6: Final answer
    x = 20,763.53

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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.