Home / 27,715.26-38,246.25-15,140.01

Finding the Fourth Proportional to 27,715.26, 38,246.25 and 15,140.01

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Solution

The fourth proportional to 27,715.26, 38,246.25 and 15,140.01 is: 20,892.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,715.26 : 38,246.25 = 15,140.01 : x
  2. Step 2: Convert to fraction form
    27,715.26/38,246.25 = 15,140.01/x
  3. Step 3: Cross multiply
    27,715.26x = 38,246.25 × 15,140.01
  4. Step 4: Simplify right side
    27,715.26x = 579,048,607.46
  5. Step 5: Solve for x
    x = 579,048,607.46/27,715.26
  6. Step 6: Final answer
    x = 20,892.77

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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.