Home / 27,892.86-38,492.15-15,145.98

Finding the Fourth Proportional to 27,892.86, 38,492.15 and 15,145.98

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Solution

The fourth proportional to 27,892.86, 38,492.15 and 15,145.98 is: 20,901.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.86 : 38,492.15 = 15,145.98 : x
  2. Step 2: Convert to fraction form
    27,892.86/38,492.15 = 15,145.98/x
  3. Step 3: Cross multiply
    27,892.86x = 38,492.15 × 15,145.98
  4. Step 4: Simplify right side
    27,892.86x = 583,001,258.33
  5. Step 5: Solve for x
    x = 583,001,258.33/27,892.86
  6. Step 6: Final answer
    x = 20,901.45

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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.