Home / 25,222.32-37,830.60-9,639.60

Finding the Fourth Proportional to 25,222.32, 37,830.60 and 9,639.60

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Solution

The fourth proportional to 25,222.32, 37,830.60 and 9,639.60 is: 14,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.32 : 37,830.60 = 9,639.60 : x
  2. Step 2: Convert to fraction form
    25,222.32/37,830.60 = 9,639.60/x
  3. Step 3: Cross multiply
    25,222.32x = 37,830.60 × 9,639.60
  4. Step 4: Simplify right side
    25,222.32x = 364,671,851.76
  5. Step 5: Solve for x
    x = 364,671,851.76/25,222.32
  6. Step 6: Final answer
    x = 14,458.30

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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.