Home / 21,748.50-32,566.91-15,075.47

Finding the Fourth Proportional to 21,748.50, 32,566.91 and 15,075.47

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Solution

The fourth proportional to 21,748.50, 32,566.91 and 15,075.47 is: 22,574.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.50 : 32,566.91 = 15,075.47 : x
  2. Step 2: Convert to fraction form
    21,748.50/32,566.91 = 15,075.47/x
  3. Step 3: Cross multiply
    21,748.50x = 32,566.91 × 15,075.47
  4. Step 4: Simplify right side
    21,748.50x = 490,961,474.70
  5. Step 5: Solve for x
    x = 490,961,474.70/21,748.50
  6. Step 6: Final answer
    x = 22,574.50

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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.