Home / 25,416.41-38,124.32-10,420.18

Finding the Fourth Proportional to 25,416.41, 38,124.32 and 10,420.18

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Solution

The fourth proportional to 25,416.41, 38,124.32 and 10,420.18 is: 15,630.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,416.41 : 38,124.32 = 10,420.18 : x
  2. Step 2: Convert to fraction form
    25,416.41/38,124.32 = 10,420.18/x
  3. Step 3: Cross multiply
    25,416.41x = 38,124.32 × 10,420.18
  4. Step 4: Simplify right side
    25,416.41x = 397,262,207.52
  5. Step 5: Solve for x
    x = 397,262,207.52/25,416.41
  6. Step 6: Final answer
    x = 15,630.15

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1.5x scale

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.