Home / 32,628.81-45,014.48-21,294.38

Finding the Fourth Proportional to 32,628.81, 45,014.48 and 21,294.38

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Solution

The fourth proportional to 32,628.81, 45,014.48 and 21,294.38 is: 29,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,628.81 : 45,014.48 = 21,294.38 : x
  2. Step 2: Convert to fraction form
    32,628.81/45,014.48 = 21,294.38/x
  3. Step 3: Cross multiply
    32,628.81x = 45,014.48 × 21,294.38
  4. Step 4: Simplify right side
    32,628.81x = 958,555,111.08
  5. Step 5: Solve for x
    x = 958,555,111.08/32,628.81
  6. Step 6: Final answer
    x = 29,377.57

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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.