Home / 28,296.32-42,444.80-8,574.72

Finding the Fourth Proportional to 28,296.32, 42,444.80 and 8,574.72

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Solution

The fourth proportional to 28,296.32, 42,444.80 and 8,574.72 is: 12,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.32 : 42,444.80 = 8,574.72 : x
  2. Step 2: Convert to fraction form
    28,296.32/42,444.80 = 8,574.72/x
  3. Step 3: Cross multiply
    28,296.32x = 42,444.80 × 8,574.72
  4. Step 4: Simplify right side
    28,296.32x = 363,952,275.46
  5. Step 5: Solve for x
    x = 363,952,275.46/28,296.32
  6. Step 6: Final answer
    x = 12,862.18

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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.