Home / 25,317.95-34,938.29-13,987.58

Finding the Fourth Proportional to 25,317.95, 34,938.29 and 13,987.58

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Solution

The fourth proportional to 25,317.95, 34,938.29 and 13,987.58 is: 19,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,317.95 : 34,938.29 = 13,987.58 : x
  2. Step 2: Convert to fraction form
    25,317.95/34,938.29 = 13,987.58/x
  3. Step 3: Cross multiply
    25,317.95x = 34,938.29 × 13,987.58
  4. Step 4: Simplify right side
    25,317.95x = 488,701,881.81
  5. Step 5: Solve for x
    x = 488,701,881.81/25,317.95
  6. Step 6: Final answer
    x = 19,302.59

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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.