Home / 23,490.83-32,417.19-12,880.50

Finding the Fourth Proportional to 23,490.83, 32,417.19 and 12,880.50

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Solution

The fourth proportional to 23,490.83, 32,417.19 and 12,880.50 is: 17,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,490.83 : 32,417.19 = 12,880.50 : x
  2. Step 2: Convert to fraction form
    23,490.83/32,417.19 = 12,880.50/x
  3. Step 3: Cross multiply
    23,490.83x = 32,417.19 × 12,880.50
  4. Step 4: Simplify right side
    23,490.83x = 417,549,615.80
  5. Step 5: Solve for x
    x = 417,549,615.80/23,490.83
  6. Step 6: Final answer
    x = 17,775.01

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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.