Home / 39,811.24-59,726.08-13,515.98

Finding the Fourth Proportional to 39,811.24, 59,726.08 and 13,515.98

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Solution

The fourth proportional to 39,811.24, 59,726.08 and 13,515.98 is: 20,277.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,811.24 : 59,726.08 = 13,515.98 : x
  2. Step 2: Convert to fraction form
    39,811.24/59,726.08 = 13,515.98/x
  3. Step 3: Cross multiply
    39,811.24x = 59,726.08 × 13,515.98
  4. Step 4: Simplify right side
    39,811.24x = 807,256,204.13
  5. Step 5: Solve for x
    x = 807,256,204.13/39,811.24
  6. Step 6: Final answer
    x = 20,277.10

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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.