Home / 64,009.40-96,025.04-28,483.60

Finding the Fourth Proportional to 64,009.40, 96,025.04 and 28,483.60

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Solution

The fourth proportional to 64,009.40, 96,025.04 and 28,483.60 is: 42,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,009.40 : 96,025.04 = 28,483.60 : x
  2. Step 2: Convert to fraction form
    64,009.40/96,025.04 = 28,483.60/x
  3. Step 3: Cross multiply
    64,009.40x = 96,025.04 × 28,483.60
  4. Step 4: Simplify right side
    64,009.40x = 2,735,138,829.34
  5. Step 5: Solve for x
    x = 2,735,138,829.34/64,009.40
  6. Step 6: Final answer
    x = 42,730.27

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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.