Home / 38,328.23-57,501.91-13,368.64

Finding the Fourth Proportional to 38,328.23, 57,501.91 and 13,368.64

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Solution

The fourth proportional to 38,328.23, 57,501.91 and 13,368.64 is: 20,056.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.23 : 57,501.91 = 13,368.64 : x
  2. Step 2: Convert to fraction form
    38,328.23/57,501.91 = 13,368.64/x
  3. Step 3: Cross multiply
    38,328.23x = 57,501.91 × 13,368.64
  4. Step 4: Simplify right side
    38,328.23x = 768,722,046.59
  5. Step 5: Solve for x
    x = 768,722,046.59/38,328.23
  6. Step 6: Final answer
    x = 20,056.29

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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.