Home / 27,708.70-38,237.94-15,133.45

Finding the Fourth Proportional to 27,708.70, 38,237.94 and 15,133.45

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Solution

The fourth proportional to 27,708.70, 38,237.94 and 15,133.45 is: 20,884.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,708.70 : 38,237.94 = 15,133.45 : x
  2. Step 2: Convert to fraction form
    27,708.70/38,237.94 = 15,133.45/x
  3. Step 3: Cross multiply
    27,708.70x = 38,237.94 × 15,133.45
  4. Step 4: Simplify right side
    27,708.70x = 578,671,686.24
  5. Step 5: Solve for x
    x = 578,671,686.24/27,708.70
  6. Step 6: Final answer
    x = 20,884.12

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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.