Home / 27,870.02-38,466.19-16,545.77

Finding the Fourth Proportional to 27,870.02, 38,466.19 and 16,545.77

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Solution

The fourth proportional to 27,870.02, 38,466.19 and 16,545.77 is: 22,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,870.02 : 38,466.19 = 16,545.77 : x
  2. Step 2: Convert to fraction form
    27,870.02/38,466.19 = 16,545.77/x
  3. Step 3: Cross multiply
    27,870.02x = 38,466.19 × 16,545.77
  4. Step 4: Simplify right side
    27,870.02x = 636,452,705.12
  5. Step 5: Solve for x
    x = 636,452,705.12/27,870.02
  6. Step 6: Final answer
    x = 22,836.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.