Home / 27,547.89-38,015.29-15,612.33

Finding the Fourth Proportional to 27,547.89, 38,015.29 and 15,612.33

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Solution

The fourth proportional to 27,547.89, 38,015.29 and 15,612.33 is: 21,544.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,547.89 : 38,015.29 = 15,612.33 : x
  2. Step 2: Convert to fraction form
    27,547.89/38,015.29 = 15,612.33/x
  3. Step 3: Cross multiply
    27,547.89x = 38,015.29 × 15,612.33
  4. Step 4: Simplify right side
    27,547.89x = 593,507,252.53
  5. Step 5: Solve for x
    x = 593,507,252.53/27,547.89
  6. Step 6: Final answer
    x = 21,544.56

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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.