Home / 27,995.09-38,632.14-15,248.07

Finding the Fourth Proportional to 27,995.09, 38,632.14 and 15,248.07

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Solution

The fourth proportional to 27,995.09, 38,632.14 and 15,248.07 is: 21,041.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,995.09 : 38,632.14 = 15,248.07 : x
  2. Step 2: Convert to fraction form
    27,995.09/38,632.14 = 15,248.07/x
  3. Step 3: Cross multiply
    27,995.09x = 38,632.14 × 15,248.07
  4. Step 4: Simplify right side
    27,995.09x = 589,065,683.62
  5. Step 5: Solve for x
    x = 589,065,683.62/27,995.09
  6. Step 6: Final answer
    x = 21,041.75

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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.