Home / 27,933.68-38,547.36-15,358.28

Finding the Fourth Proportional to 27,933.68, 38,547.36 and 15,358.28

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Solution

The fourth proportional to 27,933.68, 38,547.36 and 15,358.28 is: 21,193.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,933.68 : 38,547.36 = 15,358.28 : x
  2. Step 2: Convert to fraction form
    27,933.68/38,547.36 = 15,358.28/x
  3. Step 3: Cross multiply
    27,933.68x = 38,547.36 × 15,358.28
  4. Step 4: Simplify right side
    27,933.68x = 592,021,148.14
  5. Step 5: Solve for x
    x = 592,021,148.14/27,933.68
  6. Step 6: Final answer
    x = 21,193.81

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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.