Home / 25,432.62-35,089.77-14,820.22

Finding the Fourth Proportional to 25,432.62, 35,089.77 and 14,820.22

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Solution

The fourth proportional to 25,432.62, 35,089.77 and 14,820.22 is: 20,447.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,432.62 : 35,089.77 = 14,820.22 : x
  2. Step 2: Convert to fraction form
    25,432.62/35,089.77 = 14,820.22/x
  3. Step 3: Cross multiply
    25,432.62x = 35,089.77 × 14,820.22
  4. Step 4: Simplify right side
    25,432.62x = 520,038,111.15
  5. Step 5: Solve for x
    x = 520,038,111.15/25,432.62
  6. Step 6: Final answer
    x = 20,447.68

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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.