Home / 19,075.04-28,612.56-8,679.50

Finding the Fourth Proportional to 19,075.04, 28,612.56 and 8,679.50

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Solution

The fourth proportional to 19,075.04, 28,612.56 and 8,679.50 is: 13,019.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.04 : 28,612.56 = 8,679.50 : x
  2. Step 2: Convert to fraction form
    19,075.04/28,612.56 = 8,679.50/x
  3. Step 3: Cross multiply
    19,075.04x = 28,612.56 × 8,679.50
  4. Step 4: Simplify right side
    19,075.04x = 248,342,714.52
  5. Step 5: Solve for x
    x = 248,342,714.52/19,075.04
  6. Step 6: Final answer
    x = 13,019.25

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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.