Home / 28,681.12-39,488.40-24,472.48

Finding the Fourth Proportional to 28,681.12, 39,488.40 and 24,472.48

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Solution

The fourth proportional to 28,681.12, 39,488.40 and 24,472.48 is: 33,693.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.12 : 39,488.40 = 24,472.48 : x
  2. Step 2: Convert to fraction form
    28,681.12/39,488.40 = 24,472.48/x
  3. Step 3: Cross multiply
    28,681.12x = 39,488.40 × 24,472.48
  4. Step 4: Simplify right side
    28,681.12x = 966,379,079.23
  5. Step 5: Solve for x
    x = 966,379,079.23/28,681.12
  6. Step 6: Final answer
    x = 33,693.91

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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.