Home / 28,298.22-39,056.36-16,368.81

Finding the Fourth Proportional to 28,298.22, 39,056.36 and 16,368.81

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Solution

The fourth proportional to 28,298.22, 39,056.36 and 16,368.81 is: 22,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,298.22 : 39,056.36 = 16,368.81 : x
  2. Step 2: Convert to fraction form
    28,298.22/39,056.36 = 16,368.81/x
  3. Step 3: Cross multiply
    28,298.22x = 39,056.36 × 16,368.81
  4. Step 4: Simplify right side
    28,298.22x = 639,306,054.29
  5. Step 5: Solve for x
    x = 639,306,054.29/28,298.22
  6. Step 6: Final answer
    x = 22,591.74

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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.