Home / 28,416.15-42,636.51-15,253.13

Finding the Fourth Proportional to 28,416.15, 42,636.51 and 15,253.13

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Solution

The fourth proportional to 28,416.15, 42,636.51 and 15,253.13 is: 22,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,416.15 : 42,636.51 = 15,253.13 : x
  2. Step 2: Convert to fraction form
    28,416.15/42,636.51 = 15,253.13/x
  3. Step 3: Cross multiply
    28,416.15x = 42,636.51 × 15,253.13
  4. Step 4: Simplify right side
    28,416.15x = 650,340,336.37
  5. Step 5: Solve for x
    x = 650,340,336.37/28,416.15
  6. Step 6: Final answer
    x = 22,886.29

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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.