Home / 42,826.55-64,244.09-14,742.88

Finding the Fourth Proportional to 42,826.55, 64,244.09 and 14,742.88

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Solution

The fourth proportional to 42,826.55, 64,244.09 and 14,742.88 is: 22,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,826.55 : 64,244.09 = 14,742.88 : x
  2. Step 2: Convert to fraction form
    42,826.55/64,244.09 = 14,742.88/x
  3. Step 3: Cross multiply
    42,826.55x = 64,244.09 × 14,742.88
  4. Step 4: Simplify right side
    42,826.55x = 947,143,026.74
  5. Step 5: Solve for x
    x = 947,143,026.74/42,826.55
  6. Step 6: Final answer
    x = 22,115.79

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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.