Home / 34,875.51-48,132.36-20,728.41

Finding the Fourth Proportional to 34,875.51, 48,132.36 and 20,728.41

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Solution

The fourth proportional to 34,875.51, 48,132.36 and 20,728.41 is: 28,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,875.51 : 48,132.36 = 20,728.41 : x
  2. Step 2: Convert to fraction form
    34,875.51/48,132.36 = 20,728.41/x
  3. Step 3: Cross multiply
    34,875.51x = 48,132.36 × 20,728.41
  4. Step 4: Simplify right side
    34,875.51x = 997,707,292.35
  5. Step 5: Solve for x
    x = 997,707,292.35/34,875.51
  6. Step 6: Final answer
    x = 28,607.68

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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.