Home / 28,923.68-43,370.16-13,328

Finding the Fourth Proportional to 28,923.68, 43,370.16 and 13,328

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Solution

The fourth proportional to 28,923.68, 43,370.16 and 13,328 is: 19,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,923.68 : 43,370.16 = 13,328 : x
  2. Step 2: Convert to fraction form
    28,923.68/43,370.16 = 13,328/x
  3. Step 3: Cross multiply
    28,923.68x = 43,370.16 × 13,328
  4. Step 4: Simplify right side
    28,923.68x = 578,037,492.48
  5. Step 5: Solve for x
    x = 578,037,492.48/28,923.68
  6. Step 6: Final answer
    x = 19,984.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.