Home / 28,048.72-42,047.04-10,530.16

Finding the Fourth Proportional to 28,048.72, 42,047.04 and 10,530.16

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Solution

The fourth proportional to 28,048.72, 42,047.04 and 10,530.16 is: 15,785.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.72 : 42,047.04 = 10,530.16 : x
  2. Step 2: Convert to fraction form
    28,048.72/42,047.04 = 10,530.16/x
  3. Step 3: Cross multiply
    28,048.72x = 42,047.04 × 10,530.16
  4. Step 4: Simplify right side
    28,048.72x = 442,762,058.73
  5. Step 5: Solve for x
    x = 442,762,058.73/28,048.72
  6. Step 6: Final answer
    x = 15,785.46

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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.