Home / 25,325.72-34,945.80-15,897.32

Finding the Fourth Proportional to 25,325.72, 34,945.80 and 15,897.32

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Solution

The fourth proportional to 25,325.72, 34,945.80 and 15,897.32 is: 21,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,325.72 : 34,945.80 = 15,897.32 : x
  2. Step 2: Convert to fraction form
    25,325.72/34,945.80 = 15,897.32/x
  3. Step 3: Cross multiply
    25,325.72x = 34,945.80 × 15,897.32
  4. Step 4: Simplify right side
    25,325.72x = 555,544,565.26
  5. Step 5: Solve for x
    x = 555,544,565.26/25,325.72
  6. Step 6: Final answer
    x = 21,935.98

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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.