Home / 25,482.87-35,171.53-14,728.20

Finding the Fourth Proportional to 25,482.87, 35,171.53 and 14,728.20

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Solution

The fourth proportional to 25,482.87, 35,171.53 and 14,728.20 is: 20,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,482.87 : 35,171.53 = 14,728.20 : x
  2. Step 2: Convert to fraction form
    25,482.87/35,171.53 = 14,728.20/x
  3. Step 3: Cross multiply
    25,482.87x = 35,171.53 × 14,728.20
  4. Step 4: Simplify right side
    25,482.87x = 518,013,328.15
  5. Step 5: Solve for x
    x = 518,013,328.15/25,482.87
  6. Step 6: Final answer
    x = 20,327.90

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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.