Home / 28,543.07-42,826.91-15,392.40

Finding the Fourth Proportional to 28,543.07, 42,826.91 and 15,392.40

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Solution

The fourth proportional to 28,543.07, 42,826.91 and 15,392.40 is: 23,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,543.07 : 42,826.91 = 15,392.40 : x
  2. Step 2: Convert to fraction form
    28,543.07/42,826.91 = 15,392.40/x
  3. Step 3: Cross multiply
    28,543.07x = 42,826.91 × 15,392.40
  4. Step 4: Simplify right side
    28,543.07x = 659,208,852.52
  5. Step 5: Solve for x
    x = 659,208,852.52/28,543.07
  6. Step 6: Final answer
    x = 23,095.24

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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.