Home / 38,337.60-52,907.06-20,876.08

Finding the Fourth Proportional to 38,337.60, 52,907.06 and 20,876.08

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Solution

The fourth proportional to 38,337.60, 52,907.06 and 20,876.08 is: 28,809.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,337.60 : 52,907.06 = 20,876.08 : x
  2. Step 2: Convert to fraction form
    38,337.60/52,907.06 = 20,876.08/x
  3. Step 3: Cross multiply
    38,337.60x = 52,907.06 × 20,876.08
  4. Step 4: Simplify right side
    38,337.60x = 1,104,492,017.12
  5. Step 5: Solve for x
    x = 1,104,492,017.12/38,337.60
  6. Step 6: Final answer
    x = 28,809.63

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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.