Home / 15,435.20-23,152.80-14,830.40

Finding the Fourth Proportional to 15,435.20, 23,152.80 and 14,830.40

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Solution

The fourth proportional to 15,435.20, 23,152.80 and 14,830.40 is: 22,245.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435.20 : 23,152.80 = 14,830.40 : x
  2. Step 2: Convert to fraction form
    15,435.20/23,152.80 = 14,830.40/x
  3. Step 3: Cross multiply
    15,435.20x = 23,152.80 × 14,830.40
  4. Step 4: Simplify right side
    15,435.20x = 343,365,285.12
  5. Step 5: Solve for x
    x = 343,365,285.12/15,435.20
  6. Step 6: Final answer
    x = 22,245.60

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1.5x scale

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.