Home / 25,590.69-35,303.09-14,973.75

Finding the Fourth Proportional to 25,590.69, 35,303.09 and 14,973.75

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Solution

The fourth proportional to 25,590.69, 35,303.09 and 14,973.75 is: 20,656.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.69 : 35,303.09 = 14,973.75 : x
  2. Step 2: Convert to fraction form
    25,590.69/35,303.09 = 14,973.75/x
  3. Step 3: Cross multiply
    25,590.69x = 35,303.09 × 14,973.75
  4. Step 4: Simplify right side
    25,590.69x = 528,619,569.02
  5. Step 5: Solve for x
    x = 528,619,569.02/25,590.69
  6. Step 6: Final answer
    x = 20,656.71

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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.