Home / 26,319.60-36,316.80-14,989.28

Finding the Fourth Proportional to 26,319.60, 36,316.80 and 14,989.28

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Solution

The fourth proportional to 26,319.60, 36,316.80 and 14,989.28 is: 20,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,319.60 : 36,316.80 = 14,989.28 : x
  2. Step 2: Convert to fraction form
    26,319.60/36,316.80 = 14,989.28/x
  3. Step 3: Cross multiply
    26,319.60x = 36,316.80 × 14,989.28
  4. Step 4: Simplify right side
    26,319.60x = 544,362,502.32
  5. Step 5: Solve for x
    x = 544,362,502.32/26,319.60
  6. Step 6: Final answer
    x = 20,682.78

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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.