Home / 28,998.04-40,016.28-16,422.52

Finding the Fourth Proportional to 28,998.04, 40,016.28 and 16,422.52

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Solution

The fourth proportional to 28,998.04, 40,016.28 and 16,422.52 is: 22,662.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.04 : 40,016.28 = 16,422.52 : x
  2. Step 2: Convert to fraction form
    28,998.04/40,016.28 = 16,422.52/x
  3. Step 3: Cross multiply
    28,998.04x = 40,016.28 × 16,422.52
  4. Step 4: Simplify right side
    28,998.04x = 657,168,158.63
  5. Step 5: Solve for x
    x = 657,168,158.63/28,998.04
  6. Step 6: Final answer
    x = 22,662.50

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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.