Home / 28,942.59-43,486.54-18,417.18

Finding the Fourth Proportional to 28,942.59, 43,486.54 and 18,417.18

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Solution

The fourth proportional to 28,942.59, 43,486.54 and 18,417.18 is: 27,672.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.59 : 43,486.54 = 18,417.18 : x
  2. Step 2: Convert to fraction form
    28,942.59/43,486.54 = 18,417.18/x
  3. Step 3: Cross multiply
    28,942.59x = 43,486.54 × 18,417.18
  4. Step 4: Simplify right side
    28,942.59x = 800,899,434.76
  5. Step 5: Solve for x
    x = 800,899,434.76/28,942.59
  6. Step 6: Final answer
    x = 27,672.00

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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.