Home / 28,295.06-42,422.27-13,293.72

Finding the Fourth Proportional to 28,295.06, 42,422.27 and 13,293.72

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Solution

The fourth proportional to 28,295.06, 42,422.27 and 13,293.72 is: 19,931.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.06 : 42,422.27 = 13,293.72 : x
  2. Step 2: Convert to fraction form
    28,295.06/42,422.27 = 13,293.72/x
  3. Step 3: Cross multiply
    28,295.06x = 42,422.27 × 13,293.72
  4. Step 4: Simplify right side
    28,295.06x = 563,949,712.68
  5. Step 5: Solve for x
    x = 563,949,712.68/28,295.06
  6. Step 6: Final answer
    x = 19,931.03

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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.