Home / 25,287.86-34,897.19-13,957.34

Finding the Fourth Proportional to 25,287.86, 34,897.19 and 13,957.34

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Solution

The fourth proportional to 25,287.86, 34,897.19 and 13,957.34 is: 19,261.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,287.86 : 34,897.19 = 13,957.34 : x
  2. Step 2: Convert to fraction form
    25,287.86/34,897.19 = 13,957.34/x
  3. Step 3: Cross multiply
    25,287.86x = 34,897.19 × 13,957.34
  4. Step 4: Simplify right side
    25,287.86x = 487,071,701.60
  5. Step 5: Solve for x
    x = 487,071,701.60/25,287.86
  6. Step 6: Final answer
    x = 19,261.09

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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.