Home / 40,897.15-56,421.30-25,784.98

Finding the Fourth Proportional to 40,897.15, 56,421.30 and 25,784.98

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Solution

The fourth proportional to 40,897.15, 56,421.30 and 25,784.98 is: 35,572.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,897.15 : 56,421.30 = 25,784.98 : x
  2. Step 2: Convert to fraction form
    40,897.15/56,421.30 = 25,784.98/x
  3. Step 3: Cross multiply
    40,897.15x = 56,421.30 × 25,784.98
  4. Step 4: Simplify right side
    40,897.15x = 1,454,822,092.07
  5. Step 5: Solve for x
    x = 1,454,822,092.07/40,897.15
  6. Step 6: Final answer
    x = 35,572.70

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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.