Home / 60,284.08-90,415.80-15,911.32

Finding the Fourth Proportional to 60,284.08, 90,415.80 and 15,911.32

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Solution

The fourth proportional to 60,284.08, 90,415.80 and 15,911.32 is: 23,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,284.08 : 90,415.80 = 15,911.32 : x
  2. Step 2: Convert to fraction form
    60,284.08/90,415.80 = 15,911.32/x
  3. Step 3: Cross multiply
    60,284.08x = 90,415.80 × 15,911.32
  4. Step 4: Simplify right side
    60,284.08x = 1,438,634,726.86
  5. Step 5: Solve for x
    x = 1,438,634,726.86/60,284.08
  6. Step 6: Final answer
    x = 23,864.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.