Home / 28,521.46-42,740.42-16,065.76

Finding the Fourth Proportional to 28,521.46, 42,740.42 and 16,065.76

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Solution

The fourth proportional to 28,521.46, 42,740.42 and 16,065.76 is: 24,075.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,521.46 : 42,740.42 = 16,065.76 : x
  2. Step 2: Convert to fraction form
    28,521.46/42,740.42 = 16,065.76/x
  3. Step 3: Cross multiply
    28,521.46x = 42,740.42 × 16,065.76
  4. Step 4: Simplify right side
    28,521.46x = 686,657,330.02
  5. Step 5: Solve for x
    x = 686,657,330.02/28,521.46
  6. Step 6: Final answer
    x = 24,075.11

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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.