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Finding the Fourth Proportional to 84,009.60, 126,026.40 and 24,837.60

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Solution

The fourth proportional to 84,009.60, 126,026.40 and 24,837.60 is: 37,259.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,009.60 : 126,026.40 = 24,837.60 : x
  2. Step 2: Convert to fraction form
    84,009.60/126,026.40 = 24,837.60/x
  3. Step 3: Cross multiply
    84,009.60x = 126,026.40 × 24,837.60
  4. Step 4: Simplify right side
    84,009.60x = 3,130,193,312.64
  5. Step 5: Solve for x
    x = 3,130,193,312.64/84,009.60
  6. Step 6: Final answer
    x = 37,259.95

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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.