Home / 27,718.81-38,251.94-14,971.99

Finding the Fourth Proportional to 27,718.81, 38,251.94 and 14,971.99

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Solution

The fourth proportional to 27,718.81, 38,251.94 and 14,971.99 is: 20,661.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,718.81 : 38,251.94 = 14,971.99 : x
  2. Step 2: Convert to fraction form
    27,718.81/38,251.94 = 14,971.99/x
  3. Step 3: Cross multiply
    27,718.81x = 38,251.94 × 14,971.99
  4. Step 4: Simplify right side
    27,718.81x = 572,707,663.16
  5. Step 5: Solve for x
    x = 572,707,663.16/27,718.81
  6. Step 6: Final answer
    x = 20,661.34

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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.