Home / 27,095.40-40,643.10-19,222.20

Finding the Fourth Proportional to 27,095.40, 40,643.10 and 19,222.20

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Solution

The fourth proportional to 27,095.40, 40,643.10 and 19,222.20 is: 28,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,095.40 : 40,643.10 = 19,222.20 : x
  2. Step 2: Convert to fraction form
    27,095.40/40,643.10 = 19,222.20/x
  3. Step 3: Cross multiply
    27,095.40x = 40,643.10 × 19,222.20
  4. Step 4: Simplify right side
    27,095.40x = 781,249,796.82
  5. Step 5: Solve for x
    x = 781,249,796.82/27,095.40
  6. Step 6: Final answer
    x = 28,833.30

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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.