Home / 26,288.64-39,432.96-13,973.76

Finding the Fourth Proportional to 26,288.64, 39,432.96 and 13,973.76

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Solution

The fourth proportional to 26,288.64, 39,432.96 and 13,973.76 is: 20,960.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,288.64 : 39,432.96 = 13,973.76 : x
  2. Step 2: Convert to fraction form
    26,288.64/39,432.96 = 13,973.76/x
  3. Step 3: Cross multiply
    26,288.64x = 39,432.96 × 13,973.76
  4. Step 4: Simplify right side
    26,288.64x = 551,026,719.13
  5. Step 5: Solve for x
    x = 551,026,719.13/26,288.64
  6. Step 6: Final answer
    x = 20,960.64

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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.