Home / 38,482.08-53,090.28-25,915.20

Finding the Fourth Proportional to 38,482.08, 53,090.28 and 25,915.20

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Solution

The fourth proportional to 38,482.08, 53,090.28 and 25,915.20 is: 35,752.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.08 : 53,090.28 = 25,915.20 : x
  2. Step 2: Convert to fraction form
    38,482.08/53,090.28 = 25,915.20/x
  3. Step 3: Cross multiply
    38,482.08x = 53,090.28 × 25,915.20
  4. Step 4: Simplify right side
    38,482.08x = 1,375,845,224.26
  5. Step 5: Solve for x
    x = 1,375,845,224.26/38,482.08
  6. Step 6: Final answer
    x = 35,752.88

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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.