Home / 20,923.53-28,875.89-11,492.19

Finding the Fourth Proportional to 20,923.53, 28,875.89 and 11,492.19

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Solution

The fourth proportional to 20,923.53, 28,875.89 and 11,492.19 is: 15,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,923.53 : 28,875.89 = 11,492.19 : x
  2. Step 2: Convert to fraction form
    20,923.53/28,875.89 = 11,492.19/x
  3. Step 3: Cross multiply
    20,923.53x = 28,875.89 × 11,492.19
  4. Step 4: Simplify right side
    20,923.53x = 331,847,156.84
  5. Step 5: Solve for x
    x = 331,847,156.84/20,923.53
  6. Step 6: Final answer
    x = 15,860.00

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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.