Home / 28,575.04-39,431.52-16,637.92

Finding the Fourth Proportional to 28,575.04, 39,431.52 and 16,637.92

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Solution

The fourth proportional to 28,575.04, 39,431.52 and 16,637.92 is: 22,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,575.04 : 39,431.52 = 16,637.92 : x
  2. Step 2: Convert to fraction form
    28,575.04/39,431.52 = 16,637.92/x
  3. Step 3: Cross multiply
    28,575.04x = 39,431.52 × 16,637.92
  4. Step 4: Simplify right side
    28,575.04x = 656,058,475.24
  5. Step 5: Solve for x
    x = 656,058,475.24/28,575.04
  6. Step 6: Final answer
    x = 22,959.14

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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.