Home / 27,492.32-37,939.41-15,555.42

Finding the Fourth Proportional to 27,492.32, 37,939.41 and 15,555.42

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Solution

The fourth proportional to 27,492.32, 37,939.41 and 15,555.42 is: 21,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,492.32 : 37,939.41 = 15,555.42 : x
  2. Step 2: Convert to fraction form
    27,492.32/37,939.41 = 15,555.42/x
  3. Step 3: Cross multiply
    27,492.32x = 37,939.41 × 15,555.42
  4. Step 4: Simplify right side
    27,492.32x = 590,163,457.10
  5. Step 5: Solve for x
    x = 590,163,457.10/27,492.32
  6. Step 6: Final answer
    x = 21,466.48

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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.