Home / 26,720.25-40,053.95-12,655.58

Finding the Fourth Proportional to 26,720.25, 40,053.95 and 12,655.58

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Solution

The fourth proportional to 26,720.25, 40,053.95 and 12,655.58 is: 18,970.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,720.25 : 40,053.95 = 12,655.58 : x
  2. Step 2: Convert to fraction form
    26,720.25/40,053.95 = 12,655.58/x
  3. Step 3: Cross multiply
    26,720.25x = 40,053.95 × 12,655.58
  4. Step 4: Simplify right side
    26,720.25x = 506,905,704.99
  5. Step 5: Solve for x
    x = 506,905,704.99/26,720.25
  6. Step 6: Final answer
    x = 18,970.84

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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.