Home / 28,048.30-42,043.65-15,549.10

Finding the Fourth Proportional to 28,048.30, 42,043.65 and 15,549.10

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Solution

The fourth proportional to 28,048.30, 42,043.65 and 15,549.10 is: 23,307.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.30 : 42,043.65 = 15,549.10 : x
  2. Step 2: Convert to fraction form
    28,048.30/42,043.65 = 15,549.10/x
  3. Step 3: Cross multiply
    28,048.30x = 42,043.65 × 15,549.10
  4. Step 4: Simplify right side
    28,048.30x = 653,740,918.22
  5. Step 5: Solve for x
    x = 653,740,918.22/28,048.30
  6. Step 6: Final answer
    x = 23,307.68

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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.