Home / 28,555.29-42,638.54-25,195.50

Finding the Fourth Proportional to 28,555.29, 42,638.54 and 25,195.50

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Solution

The fourth proportional to 28,555.29, 42,638.54 and 25,195.50 is: 37,621.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555.29 : 42,638.54 = 25,195.50 : x
  2. Step 2: Convert to fraction form
    28,555.29/42,638.54 = 25,195.50/x
  3. Step 3: Cross multiply
    28,555.29x = 42,638.54 × 25,195.50
  4. Step 4: Simplify right side
    28,555.29x = 1,074,299,208.59
  5. Step 5: Solve for x
    x = 1,074,299,208.59/28,555.29
  6. Step 6: Final answer
    x = 37,621.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.