Home / 28,985.01-43,487.35-18,298.95

Finding the Fourth Proportional to 28,985.01, 43,487.35 and 18,298.95

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Solution

The fourth proportional to 28,985.01, 43,487.35 and 18,298.95 is: 27,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,985.01 : 43,487.35 = 18,298.95 : x
  2. Step 2: Convert to fraction form
    28,985.01/43,487.35 = 18,298.95/x
  3. Step 3: Cross multiply
    28,985.01x = 43,487.35 × 18,298.95
  4. Step 4: Simplify right side
    28,985.01x = 795,772,634.46
  5. Step 5: Solve for x
    x = 795,772,634.46/28,985.01
  6. Step 6: Final answer
    x = 27,454.63

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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.