Home / 28,538.04-39,372.80-16,591.52

Finding the Fourth Proportional to 28,538.04, 39,372.80 and 16,591.52

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Solution

The fourth proportional to 28,538.04, 39,372.80 and 16,591.52 is: 22,890.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,538.04 : 39,372.80 = 16,591.52 : x
  2. Step 2: Convert to fraction form
    28,538.04/39,372.80 = 16,591.52/x
  3. Step 3: Cross multiply
    28,538.04x = 39,372.80 × 16,591.52
  4. Step 4: Simplify right side
    28,538.04x = 653,254,598.66
  5. Step 5: Solve for x
    x = 653,254,598.66/28,538.04
  6. Step 6: Final answer
    x = 22,890.66

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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.