Home / 43,228.10-64,842.15-25,688.90

Finding the Fourth Proportional to 43,228.10, 64,842.15 and 25,688.90

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Solution

The fourth proportional to 43,228.10, 64,842.15 and 25,688.90 is: 38,533.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228.10 : 64,842.15 = 25,688.90 : x
  2. Step 2: Convert to fraction form
    43,228.10/64,842.15 = 25,688.90/x
  3. Step 3: Cross multiply
    43,228.10x = 64,842.15 × 25,688.90
  4. Step 4: Simplify right side
    43,228.10x = 1,665,723,507.14
  5. Step 5: Solve for x
    x = 1,665,723,507.14/43,228.10
  6. Step 6: Final answer
    x = 38,533.35

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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.