Home / 26,845.12-40,281.86-19,510.30

Finding the Fourth Proportional to 26,845.12, 40,281.86 and 19,510.30

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Solution

The fourth proportional to 26,845.12, 40,281.86 and 19,510.30 is: 29,275.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.12 : 40,281.86 = 19,510.30 : x
  2. Step 2: Convert to fraction form
    26,845.12/40,281.86 = 19,510.30/x
  3. Step 3: Cross multiply
    26,845.12x = 40,281.86 × 19,510.30
  4. Step 4: Simplify right side
    26,845.12x = 785,911,173.16
  5. Step 5: Solve for x
    x = 785,911,173.16/26,845.12
  6. Step 6: Final answer
    x = 29,275.76

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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.