Home / 35,867.60-53,801.40-19,278.80

Finding the Fourth Proportional to 35,867.60, 53,801.40 and 19,278.80

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Solution

The fourth proportional to 35,867.60, 53,801.40 and 19,278.80 is: 28,918.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,867.60 : 53,801.40 = 19,278.80 : x
  2. Step 2: Convert to fraction form
    35,867.60/53,801.40 = 19,278.80/x
  3. Step 3: Cross multiply
    35,867.60x = 53,801.40 × 19,278.80
  4. Step 4: Simplify right side
    35,867.60x = 1,037,226,430.32
  5. Step 5: Solve for x
    x = 1,037,226,430.32/35,867.60
  6. Step 6: Final answer
    x = 28,918.20

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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.