Home / 27,864.95-38,441.52-15,923.93

Finding the Fourth Proportional to 27,864.95, 38,441.52 and 15,923.93

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Solution

The fourth proportional to 27,864.95, 38,441.52 and 15,923.93 is: 21,968.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,864.95 : 38,441.52 = 15,923.93 : x
  2. Step 2: Convert to fraction form
    27,864.95/38,441.52 = 15,923.93/x
  3. Step 3: Cross multiply
    27,864.95x = 38,441.52 × 15,923.93
  4. Step 4: Simplify right side
    27,864.95x = 612,139,881.37
  5. Step 5: Solve for x
    x = 612,139,881.37/27,864.95
  6. Step 6: Final answer
    x = 21,968.10

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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.