Home / 28,576.08-42,875.64-13,001.04

Finding the Fourth Proportional to 28,576.08, 42,875.64 and 13,001.04

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Solution

The fourth proportional to 28,576.08, 42,875.64 and 13,001.04 is: 19,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.08 : 42,875.64 = 13,001.04 : x
  2. Step 2: Convert to fraction form
    28,576.08/42,875.64 = 13,001.04/x
  3. Step 3: Cross multiply
    28,576.08x = 42,875.64 × 13,001.04
  4. Step 4: Simplify right side
    28,576.08x = 557,427,910.67
  5. Step 5: Solve for x
    x = 557,427,910.67/28,576.08
  6. Step 6: Final answer
    x = 19,506.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.