Home / 35,272.81-52,909.06-12,778.22

Finding the Fourth Proportional to 35,272.81, 52,909.06 and 12,778.22

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Solution

The fourth proportional to 35,272.81, 52,909.06 and 12,778.22 is: 19,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,272.81 : 52,909.06 = 12,778.22 : x
  2. Step 2: Convert to fraction form
    35,272.81/52,909.06 = 12,778.22/x
  3. Step 3: Cross multiply
    35,272.81x = 52,909.06 × 12,778.22
  4. Step 4: Simplify right side
    35,272.81x = 676,083,280.24
  5. Step 5: Solve for x
    x = 676,083,280.24/35,272.81
  6. Step 6: Final answer
    x = 19,167.27

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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.