Home / 25,301.93-34,918.77-13,972.46

Finding the Fourth Proportional to 25,301.93, 34,918.77 and 13,972.46

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Solution

The fourth proportional to 25,301.93, 34,918.77 and 13,972.46 is: 19,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,301.93 : 34,918.77 = 13,972.46 : x
  2. Step 2: Convert to fraction form
    25,301.93/34,918.77 = 13,972.46/x
  3. Step 3: Cross multiply
    25,301.93x = 34,918.77 × 13,972.46
  4. Step 4: Simplify right side
    25,301.93x = 487,901,117.07
  5. Step 5: Solve for x
    x = 487,901,117.07/25,301.93
  6. Step 6: Final answer
    x = 19,283.16

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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.