Home / 28,201.60-42,302.40-26,473.60

Finding the Fourth Proportional to 28,201.60, 42,302.40 and 26,473.60

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Solution

The fourth proportional to 28,201.60, 42,302.40 and 26,473.60 is: 39,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201.60 : 42,302.40 = 26,473.60 : x
  2. Step 2: Convert to fraction form
    28,201.60/42,302.40 = 26,473.60/x
  3. Step 3: Cross multiply
    28,201.60x = 42,302.40 × 26,473.60
  4. Step 4: Simplify right side
    28,201.60x = 1,119,896,816.64
  5. Step 5: Solve for x
    x = 1,119,896,816.64/28,201.60
  6. Step 6: Final answer
    x = 39,710.40

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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.