Home / 25,730.08-38,574.95-10,159.36

Finding the Fourth Proportional to 25,730.08, 38,574.95 and 10,159.36

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Solution

The fourth proportional to 25,730.08, 38,574.95 and 10,159.36 is: 15,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,730.08 : 38,574.95 = 10,159.36 : x
  2. Step 2: Convert to fraction form
    25,730.08/38,574.95 = 10,159.36/x
  3. Step 3: Cross multiply
    25,730.08x = 38,574.95 × 10,159.36
  4. Step 4: Simplify right side
    25,730.08x = 391,896,611.16
  5. Step 5: Solve for x
    x = 391,896,611.16/25,730.08
  6. Step 6: Final answer
    x = 15,231.07

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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.