Home / 35,028.60-48,355.02-20,886.36

Finding the Fourth Proportional to 35,028.60, 48,355.02 and 20,886.36

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Solution

The fourth proportional to 35,028.60, 48,355.02 and 20,886.36 is: 28,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,028.60 : 48,355.02 = 20,886.36 : x
  2. Step 2: Convert to fraction form
    35,028.60/48,355.02 = 20,886.36/x
  3. Step 3: Cross multiply
    35,028.60x = 48,355.02 × 20,886.36
  4. Step 4: Simplify right side
    35,028.60x = 1,009,960,355.53
  5. Step 5: Solve for x
    x = 1,009,960,355.53/35,028.60
  6. Step 6: Final answer
    x = 28,832.45

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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.