Home / 26,005.32-38,927.10-14,129.40

Finding the Fourth Proportional to 26,005.32, 38,927.10 and 14,129.40

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Solution

The fourth proportional to 26,005.32, 38,927.10 and 14,129.40 is: 21,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,005.32 : 38,927.10 = 14,129.40 : x
  2. Step 2: Convert to fraction form
    26,005.32/38,927.10 = 14,129.40/x
  3. Step 3: Cross multiply
    26,005.32x = 38,927.10 × 14,129.40
  4. Step 4: Simplify right side
    26,005.32x = 550,016,566.74
  5. Step 5: Solve for x
    x = 550,016,566.74/26,005.32
  6. Step 6: Final answer
    x = 21,150.16

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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.