Home / 28,559.32-42,848.43-18,017.17

Finding the Fourth Proportional to 28,559.32, 42,848.43 and 18,017.17

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Solution

The fourth proportional to 28,559.32, 42,848.43 and 18,017.17 is: 27,031.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,559.32 : 42,848.43 = 18,017.17 : x
  2. Step 2: Convert to fraction form
    28,559.32/42,848.43 = 18,017.17/x
  3. Step 3: Cross multiply
    28,559.32x = 42,848.43 × 18,017.17
  4. Step 4: Simplify right side
    28,559.32x = 772,007,447.54
  5. Step 5: Solve for x
    x = 772,007,447.54/28,559.32
  6. Step 6: Final answer
    x = 27,031.72

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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.