Home / 28,275.93-42,384.38-9,549.51

Finding the Fourth Proportional to 28,275.93, 42,384.38 and 9,549.51

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Solution

The fourth proportional to 28,275.93, 42,384.38 and 9,549.51 is: 14,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,275.93 : 42,384.38 = 9,549.51 : x
  2. Step 2: Convert to fraction form
    28,275.93/42,384.38 = 9,549.51/x
  3. Step 3: Cross multiply
    28,275.93x = 42,384.38 × 9,549.51
  4. Step 4: Simplify right side
    28,275.93x = 404,750,012.91
  5. Step 5: Solve for x
    x = 404,750,012.91/28,275.93
  6. Step 6: Final answer
    x = 14,314.30

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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.