Home / 26,445.41-39,669.05-8,915.39

Finding the Fourth Proportional to 26,445.41, 39,669.05 and 8,915.39

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Solution

The fourth proportional to 26,445.41, 39,669.05 and 8,915.39 is: 13,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,445.41 : 39,669.05 = 8,915.39 : x
  2. Step 2: Convert to fraction form
    26,445.41/39,669.05 = 8,915.39/x
  3. Step 3: Cross multiply
    26,445.41x = 39,669.05 × 8,915.39
  4. Step 4: Simplify right side
    26,445.41x = 353,664,875.62
  5. Step 5: Solve for x
    x = 353,664,875.62/26,445.41
  6. Step 6: Final answer
    x = 13,373.40

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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.