Home / 28,874.34-39,848.49-18,260.10

Finding the Fourth Proportional to 28,874.34, 39,848.49 and 18,260.10

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Solution

The fourth proportional to 28,874.34, 39,848.49 and 18,260.10 is: 25,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,874.34 : 39,848.49 = 18,260.10 : x
  2. Step 2: Convert to fraction form
    28,874.34/39,848.49 = 18,260.10/x
  3. Step 3: Cross multiply
    28,874.34x = 39,848.49 × 18,260.10
  4. Step 4: Simplify right side
    28,874.34x = 727,637,412.25
  5. Step 5: Solve for x
    x = 727,637,412.25/28,874.34
  6. Step 6: Final answer
    x = 25,200.14

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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.