Home / 23,438.61-35,152.08-8,639.49

Finding the Fourth Proportional to 23,438.61, 35,152.08 and 8,639.49

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Solution

The fourth proportional to 23,438.61, 35,152.08 and 8,639.49 is: 12,957.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,438.61 : 35,152.08 = 8,639.49 : x
  2. Step 2: Convert to fraction form
    23,438.61/35,152.08 = 8,639.49/x
  3. Step 3: Cross multiply
    23,438.61x = 35,152.08 × 8,639.49
  4. Step 4: Simplify right side
    23,438.61x = 303,696,043.64
  5. Step 5: Solve for x
    x = 303,696,043.64/23,438.61
  6. Step 6: Final answer
    x = 12,957.08

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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.