Home / 28,629.89-39,492.71-17,856.06

Finding the Fourth Proportional to 28,629.89, 39,492.71 and 17,856.06

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Solution

The fourth proportional to 28,629.89, 39,492.71 and 17,856.06 is: 24,631.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,629.89 : 39,492.71 = 17,856.06 : x
  2. Step 2: Convert to fraction form
    28,629.89/39,492.71 = 17,856.06/x
  3. Step 3: Cross multiply
    28,629.89x = 39,492.71 × 17,856.06
  4. Step 4: Simplify right side
    28,629.89x = 705,184,351.49
  5. Step 5: Solve for x
    x = 705,184,351.49/28,629.89
  6. Step 6: Final answer
    x = 24,631.05

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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.