Home / 28,941.59-43,485.04-18,416.18

Finding the Fourth Proportional to 28,941.59, 43,485.04 and 18,416.18

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Solution

The fourth proportional to 28,941.59, 43,485.04 and 18,416.18 is: 27,670.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,941.59 : 43,485.04 = 18,416.18 : x
  2. Step 2: Convert to fraction form
    28,941.59/43,485.04 = 18,416.18/x
  3. Step 3: Cross multiply
    28,941.59x = 43,485.04 × 18,416.18
  4. Step 4: Simplify right side
    28,941.59x = 800,828,323.95
  5. Step 5: Solve for x
    x = 800,828,323.95/28,941.59
  6. Step 6: Final answer
    x = 27,670.50

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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.