Home / 27,457.08-37,877.67-19,891.14

Finding the Fourth Proportional to 27,457.08, 37,877.67 and 19,891.14

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Solution

The fourth proportional to 27,457.08, 37,877.67 and 19,891.14 is: 27,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,457.08 : 37,877.67 = 19,891.14 : x
  2. Step 2: Convert to fraction form
    27,457.08/37,877.67 = 19,891.14/x
  3. Step 3: Cross multiply
    27,457.08x = 37,877.67 × 19,891.14
  4. Step 4: Simplify right side
    27,457.08x = 753,430,036.84
  5. Step 5: Solve for x
    x = 753,430,036.84/27,457.08
  6. Step 6: Final answer
    x = 27,440.28

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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.