Home / 19,478.28-26,892.90-14,994.12

Finding the Fourth Proportional to 19,478.28, 26,892.90 and 14,994.12

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Solution

The fourth proportional to 19,478.28, 26,892.90 and 14,994.12 is: 20,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.28 : 26,892.90 = 14,994.12 : x
  2. Step 2: Convert to fraction form
    19,478.28/26,892.90 = 14,994.12/x
  3. Step 3: Cross multiply
    19,478.28x = 26,892.90 × 14,994.12
  4. Step 4: Simplify right side
    19,478.28x = 403,235,369.75
  5. Step 5: Solve for x
    x = 403,235,369.75/19,478.28
  6. Step 6: Final answer
    x = 20,701.80

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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.