Home / 25,130.97-34,681.40-13,801.20

Finding the Fourth Proportional to 25,130.97, 34,681.40 and 13,801.20

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Solution

The fourth proportional to 25,130.97, 34,681.40 and 13,801.20 is: 19,046.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,130.97 : 34,681.40 = 13,801.20 : x
  2. Step 2: Convert to fraction form
    25,130.97/34,681.40 = 13,801.20/x
  3. Step 3: Cross multiply
    25,130.97x = 34,681.40 × 13,801.20
  4. Step 4: Simplify right side
    25,130.97x = 478,644,790.37
  5. Step 5: Solve for x
    x = 478,644,790.37/25,130.97
  6. Step 6: Final answer
    x = 19,046.01

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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.