Home / 27,897.86-38,498.88-15,150.92

Finding the Fourth Proportional to 27,897.86, 38,498.88 and 15,150.92

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Solution

The fourth proportional to 27,897.86, 38,498.88 and 15,150.92 is: 20,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,897.86 : 38,498.88 = 15,150.92 : x
  2. Step 2: Convert to fraction form
    27,897.86/38,498.88 = 15,150.92/x
  3. Step 3: Cross multiply
    27,897.86x = 38,498.88 × 15,150.92
  4. Step 4: Simplify right side
    27,897.86x = 583,293,547.22
  5. Step 5: Solve for x
    x = 583,293,547.22/27,897.86
  6. Step 6: Final answer
    x = 20,908.18

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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.