Home / 32,872.40-45,368.64-18,726.56

Finding the Fourth Proportional to 32,872.40, 45,368.64 and 18,726.56

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Solution

The fourth proportional to 32,872.40, 45,368.64 and 18,726.56 is: 25,845.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,872.40 : 45,368.64 = 18,726.56 : x
  2. Step 2: Convert to fraction form
    32,872.40/45,368.64 = 18,726.56/x
  3. Step 3: Cross multiply
    32,872.40x = 45,368.64 × 18,726.56
  4. Step 4: Simplify right side
    32,872.40x = 849,598,559.08
  5. Step 5: Solve for x
    x = 849,598,559.08/32,872.40
  6. Step 6: Final answer
    x = 25,845.35

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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.