Home / 28,055.42-42,075.90-8,329.52

Finding the Fourth Proportional to 28,055.42, 42,075.90 and 8,329.52

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Solution

The fourth proportional to 28,055.42, 42,075.90 and 8,329.52 is: 12,492.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,055.42 : 42,075.90 = 8,329.52 : x
  2. Step 2: Convert to fraction form
    28,055.42/42,075.90 = 8,329.52/x
  3. Step 3: Cross multiply
    28,055.42x = 42,075.90 × 8,329.52
  4. Step 4: Simplify right side
    28,055.42x = 350,472,050.57
  5. Step 5: Solve for x
    x = 350,472,050.57/28,055.42
  6. Step 6: Final answer
    x = 12,492.13

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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.