Home / 25,317.41-34,937.81-13,987.71

Finding the Fourth Proportional to 25,317.41, 34,937.81 and 13,987.71

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Solution

The fourth proportional to 25,317.41, 34,937.81 and 13,987.71 is: 19,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.41 : 34,937.81 = 13,987.71 : x
  2. Step 2: Convert to fraction form
    25,317.41/34,937.81 = 13,987.71/x
  3. Step 3: Cross multiply
    25,317.41x = 34,937.81 × 13,987.71
  4. Step 4: Simplify right side
    25,317.41x = 488,699,884.38
  5. Step 5: Solve for x
    x = 488,699,884.38/25,317.41
  6. Step 6: Final answer
    x = 19,302.92

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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.