Home / 28,444.63-39,253.31-15,697.93

Finding the Fourth Proportional to 28,444.63, 39,253.31 and 15,697.93

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Solution

The fourth proportional to 28,444.63, 39,253.31 and 15,697.93 is: 21,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444.63 : 39,253.31 = 15,697.93 : x
  2. Step 2: Convert to fraction form
    28,444.63/39,253.31 = 15,697.93/x
  3. Step 3: Cross multiply
    28,444.63x = 39,253.31 × 15,697.93
  4. Step 4: Simplify right side
    28,444.63x = 616,195,437.89
  5. Step 5: Solve for x
    x = 616,195,437.89/28,444.63
  6. Step 6: Final answer
    x = 21,662.98

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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.