Home / 28,444.17-39,252.23-15,697.19

Finding the Fourth Proportional to 28,444.17, 39,252.23 and 15,697.19

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Solution

The fourth proportional to 28,444.17, 39,252.23 and 15,697.19 is: 21,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.17 : 39,252.23 = 15,697.19 : x
  2. Step 2: Convert to fraction form
    28,444.17/39,252.23 = 15,697.19/x
  3. Step 3: Cross multiply
    28,444.17x = 39,252.23 × 15,697.19
  4. Step 4: Simplify right side
    28,444.17x = 616,149,790.74
  5. Step 5: Solve for x
    x = 616,149,790.74/28,444.17
  6. Step 6: Final answer
    x = 21,661.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.