Home / 23,681.32-32,680.15-13,070.88

Finding the Fourth Proportional to 23,681.32, 32,680.15 and 13,070.88

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Solution

The fourth proportional to 23,681.32, 32,680.15 and 13,070.88 is: 18,037.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,681.32 : 32,680.15 = 13,070.88 : x
  2. Step 2: Convert to fraction form
    23,681.32/32,680.15 = 13,070.88/x
  3. Step 3: Cross multiply
    23,681.32x = 32,680.15 × 13,070.88
  4. Step 4: Simplify right side
    23,681.32x = 427,158,319.03
  5. Step 5: Solve for x
    x = 427,158,319.03/23,681.32
  6. Step 6: Final answer
    x = 18,037.77

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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.