Home / 28,001.60-42,002.40-26,273.60

Finding the Fourth Proportional to 28,001.60, 42,002.40 and 26,273.60

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Solution

The fourth proportional to 28,001.60, 42,002.40 and 26,273.60 is: 39,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,001.60 : 42,002.40 = 26,273.60 : x
  2. Step 2: Convert to fraction form
    28,001.60/42,002.40 = 26,273.60/x
  3. Step 3: Cross multiply
    28,001.60x = 42,002.40 × 26,273.60
  4. Step 4: Simplify right side
    28,001.60x = 1,103,554,256.64
  5. Step 5: Solve for x
    x = 1,103,554,256.64/28,001.60
  6. Step 6: Final answer
    x = 39,410.40

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1.5x scale

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.