Home / 28,248.65-42,347.79-10,730.78

Finding the Fourth Proportional to 28,248.65, 42,347.79 and 10,730.78

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Solution

The fourth proportional to 28,248.65, 42,347.79 and 10,730.78 is: 16,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,248.65 : 42,347.79 = 10,730.78 : x
  2. Step 2: Convert to fraction form
    28,248.65/42,347.79 = 10,730.78/x
  3. Step 3: Cross multiply
    28,248.65x = 42,347.79 × 10,730.78
  4. Step 4: Simplify right side
    28,248.65x = 454,424,606.24
  5. Step 5: Solve for x
    x = 454,424,606.24/28,248.65
  6. Step 6: Final answer
    x = 16,086.60

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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.