Home / 20,444.48-28,206.72-12,059.36

Finding the Fourth Proportional to 20,444.48, 28,206.72 and 12,059.36

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Solution

The fourth proportional to 20,444.48, 28,206.72 and 12,059.36 is: 16,637.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.48 : 28,206.72 = 12,059.36 : x
  2. Step 2: Convert to fraction form
    20,444.48/28,206.72 = 12,059.36/x
  3. Step 3: Cross multiply
    20,444.48x = 28,206.72 × 12,059.36
  4. Step 4: Simplify right side
    20,444.48x = 340,154,990.90
  5. Step 5: Solve for x
    x = 340,154,990.90/20,444.48
  6. Step 6: Final answer
    x = 16,637.99

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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.