Home / 30,156.64-41,615.04-16,728.08

Finding the Fourth Proportional to 30,156.64, 41,615.04 and 16,728.08

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Solution

The fourth proportional to 30,156.64, 41,615.04 and 16,728.08 is: 23,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,156.64 : 41,615.04 = 16,728.08 : x
  2. Step 2: Convert to fraction form
    30,156.64/41,615.04 = 16,728.08/x
  3. Step 3: Cross multiply
    30,156.64x = 41,615.04 × 16,728.08
  4. Step 4: Simplify right side
    30,156.64x = 696,139,718.32
  5. Step 5: Solve for x
    x = 696,139,718.32/30,156.64
  6. Step 6: Final answer
    x = 23,084.13

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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.