Home / 27,664-38,176.59-15,089.02

Finding the Fourth Proportional to 27,664, 38,176.59 and 15,089.02

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Solution

The fourth proportional to 27,664, 38,176.59 and 15,089.02 is: 20,822.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,664 : 38,176.59 = 15,089.02 : x
  2. Step 2: Convert to fraction form
    27,664/38,176.59 = 15,089.02/x
  3. Step 3: Cross multiply
    27,664x = 38,176.59 × 15,089.02
  4. Step 4: Simplify right side
    27,664x = 576,047,330.04
  5. Step 5: Solve for x
    x = 576,047,330.04/27,664
  6. Step 6: Final answer
    x = 20,822.99

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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.