Home / 28,444.60-42,676.26-13,458.16

Finding the Fourth Proportional to 28,444.60, 42,676.26 and 13,458.16

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Solution

The fourth proportional to 28,444.60, 42,676.26 and 13,458.16 is: 20,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.60 : 42,676.26 = 13,458.16 : x
  2. Step 2: Convert to fraction form
    28,444.60/42,676.26 = 13,458.16/x
  3. Step 3: Cross multiply
    28,444.60x = 42,676.26 × 13,458.16
  4. Step 4: Simplify right side
    28,444.60x = 574,343,935.28
  5. Step 5: Solve for x
    x = 574,343,935.28/28,444.60
  6. Step 6: Final answer
    x = 20,191.67

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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.