Home / 23,685.10-32,686.14-13,075.42

Finding the Fourth Proportional to 23,685.10, 32,686.14 and 13,075.42

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Solution

The fourth proportional to 23,685.10, 32,686.14 and 13,075.42 is: 18,044.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,685.10 : 32,686.14 = 13,075.42 : x
  2. Step 2: Convert to fraction form
    23,685.10/32,686.14 = 13,075.42/x
  3. Step 3: Cross multiply
    23,685.10x = 32,686.14 × 13,075.42
  4. Step 4: Simplify right side
    23,685.10x = 427,385,008.68
  5. Step 5: Solve for x
    x = 427,385,008.68/23,685.10
  6. Step 6: Final answer
    x = 18,044.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.