Home / 27,995.16-38,632.86-15,421.08

Finding the Fourth Proportional to 27,995.16, 38,632.86 and 15,421.08

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Solution

The fourth proportional to 27,995.16, 38,632.86 and 15,421.08 is: 21,280.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.16 : 38,632.86 = 15,421.08 : x
  2. Step 2: Convert to fraction form
    27,995.16/38,632.86 = 15,421.08/x
  3. Step 3: Cross multiply
    27,995.16x = 38,632.86 × 15,421.08
  4. Step 4: Simplify right side
    27,995.16x = 595,760,424.69
  5. Step 5: Solve for x
    x = 595,760,424.69/27,995.16
  6. Step 6: Final answer
    x = 21,280.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.