Home / 27,478.48-37,925.04-15,545.52

Finding the Fourth Proportional to 27,478.48, 37,925.04 and 15,545.52

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Solution

The fourth proportional to 27,478.48, 37,925.04 and 15,545.52 is: 21,455.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,478.48 : 37,925.04 = 15,545.52 : x
  2. Step 2: Convert to fraction form
    27,478.48/37,925.04 = 15,545.52/x
  3. Step 3: Cross multiply
    27,478.48x = 37,925.04 × 15,545.52
  4. Step 4: Simplify right side
    27,478.48x = 589,564,467.82
  5. Step 5: Solve for x
    x = 589,564,467.82/27,478.48
  6. Step 6: Final answer
    x = 21,455.50

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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.