Home / 28,411.08-42,628.91-15,248.07

Finding the Fourth Proportional to 28,411.08, 42,628.91 and 15,248.07

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Solution

The fourth proportional to 28,411.08, 42,628.91 and 15,248.07 is: 22,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,411.08 : 42,628.91 = 15,248.07 : x
  2. Step 2: Convert to fraction form
    28,411.08/42,628.91 = 15,248.07/x
  3. Step 3: Cross multiply
    28,411.08x = 42,628.91 × 15,248.07
  4. Step 4: Simplify right side
    28,411.08x = 650,008,527.46
  5. Step 5: Solve for x
    x = 650,008,527.46/28,411.08
  6. Step 6: Final answer
    x = 22,878.70

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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.