Home / 20,492.01-28,282.60-19,557.07

Finding the Fourth Proportional to 20,492.01, 28,282.60 and 19,557.07

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Solution

The fourth proportional to 20,492.01, 28,282.60 and 19,557.07 is: 26,992.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,492.01 : 28,282.60 = 19,557.07 : x
  2. Step 2: Convert to fraction form
    20,492.01/28,282.60 = 19,557.07/x
  3. Step 3: Cross multiply
    20,492.01x = 28,282.60 × 19,557.07
  4. Step 4: Simplify right side
    20,492.01x = 553,124,787.98
  5. Step 5: Solve for x
    x = 553,124,787.98/20,492.01
  6. Step 6: Final answer
    x = 26,992.22

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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.