Home / 28,590.24-39,366.48-25,397.98

Finding the Fourth Proportional to 28,590.24, 39,366.48 and 25,397.98

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Solution

The fourth proportional to 28,590.24, 39,366.48 and 25,397.98 is: 34,970.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.24 : 39,366.48 = 25,397.98 : x
  2. Step 2: Convert to fraction form
    28,590.24/39,366.48 = 25,397.98/x
  3. Step 3: Cross multiply
    28,590.24x = 39,366.48 × 25,397.98
  4. Step 4: Simplify right side
    28,590.24x = 999,829,071.71
  5. Step 5: Solve for x
    x = 999,829,071.71/28,590.24
  6. Step 6: Final answer
    x = 34,970.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.