Home / 25,317.63-34,937.60-13,987.35

Finding the Fourth Proportional to 25,317.63, 34,937.60 and 13,987.35

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Solution

The fourth proportional to 25,317.63, 34,937.60 and 13,987.35 is: 19,302.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.63 : 34,937.60 = 13,987.35 : x
  2. Step 2: Convert to fraction form
    25,317.63/34,937.60 = 13,987.35/x
  3. Step 3: Cross multiply
    25,317.63x = 34,937.60 × 13,987.35
  4. Step 4: Simplify right side
    25,317.63x = 488,684,369.42
  5. Step 5: Solve for x
    x = 488,684,369.42/25,317.63
  6. Step 6: Final answer
    x = 19,302.14

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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.