Home / 28,278.05-42,417.08-16,452.05

Finding the Fourth Proportional to 28,278.05, 42,417.08 and 16,452.05

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Solution

The fourth proportional to 28,278.05, 42,417.08 and 16,452.05 is: 24,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,278.05 : 42,417.08 = 16,452.05 : x
  2. Step 2: Convert to fraction form
    28,278.05/42,417.08 = 16,452.05/x
  3. Step 3: Cross multiply
    28,278.05x = 42,417.08 × 16,452.05
  4. Step 4: Simplify right side
    28,278.05x = 697,847,838.75
  5. Step 5: Solve for x
    x = 697,847,838.75/28,278.05
  6. Step 6: Final answer
    x = 24,678.08

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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.