Home / 16,860.32-23,278.20-15,088.88

Finding the Fourth Proportional to 16,860.32, 23,278.20 and 15,088.88

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Solution

The fourth proportional to 16,860.32, 23,278.20 and 15,088.88 is: 20,832.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.32 : 23,278.20 = 15,088.88 : x
  2. Step 2: Convert to fraction form
    16,860.32/23,278.20 = 15,088.88/x
  3. Step 3: Cross multiply
    16,860.32x = 23,278.20 × 15,088.88
  4. Step 4: Simplify right side
    16,860.32x = 351,241,966.42
  5. Step 5: Solve for x
    x = 351,241,966.42/16,860.32
  6. Step 6: Final answer
    x = 20,832.46

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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.