Home / 19,312.74-28,824.31-18,051.62

Finding the Fourth Proportional to 19,312.74, 28,824.31 and 18,051.62

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Solution

The fourth proportional to 19,312.74, 28,824.31 and 18,051.62 is: 26,942.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,312.74 : 28,824.31 = 18,051.62 : x
  2. Step 2: Convert to fraction form
    19,312.74/28,824.31 = 18,051.62/x
  3. Step 3: Cross multiply
    19,312.74x = 28,824.31 × 18,051.62
  4. Step 4: Simplify right side
    19,312.74x = 520,325,346.76
  5. Step 5: Solve for x
    x = 520,325,346.76/19,312.74
  6. Step 6: Final answer
    x = 26,942.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.