Home / 20,248.47-30,226.23-17,492.85

Finding the Fourth Proportional to 20,248.47, 30,226.23 and 17,492.85

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Solution

The fourth proportional to 20,248.47, 30,226.23 and 17,492.85 is: 26,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248.47 : 30,226.23 = 17,492.85 : x
  2. Step 2: Convert to fraction form
    20,248.47/30,226.23 = 17,492.85/x
  3. Step 3: Cross multiply
    20,248.47x = 30,226.23 × 17,492.85
  4. Step 4: Simplify right side
    20,248.47x = 528,742,907.46
  5. Step 5: Solve for x
    x = 528,742,907.46/20,248.47
  6. Step 6: Final answer
    x = 26,112.73

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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.