Home / 15,725.08-23,587.80-4,038.40

Finding the Fourth Proportional to 15,725.08, 23,587.80 and 4,038.40

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Solution

The fourth proportional to 15,725.08, 23,587.80 and 4,038.40 is: 6,057.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,725.08 : 23,587.80 = 4,038.40 : x
  2. Step 2: Convert to fraction form
    15,725.08/23,587.80 = 4,038.40/x
  3. Step 3: Cross multiply
    15,725.08x = 23,587.80 × 4,038.40
  4. Step 4: Simplify right side
    15,725.08x = 95,256,971.52
  5. Step 5: Solve for x
    x = 95,256,971.52/15,725.08
  6. Step 6: Final answer
    x = 6,057.65

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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.