Home / 26,070.64-39,111.90-8,540.08

Finding the Fourth Proportional to 26,070.64, 39,111.90 and 8,540.08

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Solution

The fourth proportional to 26,070.64, 39,111.90 and 8,540.08 is: 12,812.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,070.64 : 39,111.90 = 8,540.08 : x
  2. Step 2: Convert to fraction form
    26,070.64/39,111.90 = 8,540.08/x
  3. Step 3: Cross multiply
    26,070.64x = 39,111.90 × 8,540.08
  4. Step 4: Simplify right side
    26,070.64x = 334,018,754.95
  5. Step 5: Solve for x
    x = 334,018,754.95/26,070.64
  6. Step 6: Final answer
    x = 12,812.07

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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.