Home / 27,545.30-38,012.80-14,970.05

Finding the Fourth Proportional to 27,545.30, 38,012.80 and 14,970.05

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Solution

The fourth proportional to 27,545.30, 38,012.80 and 14,970.05 is: 20,658.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,545.30 : 38,012.80 = 14,970.05 : x
  2. Step 2: Convert to fraction form
    27,545.30/38,012.80 = 14,970.05/x
  3. Step 3: Cross multiply
    27,545.30x = 38,012.80 × 14,970.05
  4. Step 4: Simplify right side
    27,545.30x = 569,053,326.58
  5. Step 5: Solve for x
    x = 569,053,326.58/27,545.30
  6. Step 6: Final answer
    x = 20,658.82

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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.