Home / 27,305.65-37,680.19-15,368.50

Finding the Fourth Proportional to 27,305.65, 37,680.19 and 15,368.50

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Solution

The fourth proportional to 27,305.65, 37,680.19 and 15,368.50 is: 21,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.65 : 37,680.19 = 15,368.50 : x
  2. Step 2: Convert to fraction form
    27,305.65/37,680.19 = 15,368.50/x
  3. Step 3: Cross multiply
    27,305.65x = 37,680.19 × 15,368.50
  4. Step 4: Simplify right side
    27,305.65x = 579,088,000.02
  5. Step 5: Solve for x
    x = 579,088,000.02/27,305.65
  6. Step 6: Final answer
    x = 21,207.63

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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.